20408451336

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{17021}}^1$

素因数の和:17117

約数の個数: 256

約数和(自身を含む): 70920460800

約数和(自身を除く): 50512009464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 61, 63, 72, 78, 84, 91, 104, 108, 117, 122, 126, 156, 168, 182, 183, 189, 216, 234, 244, 252, 273, 312, 351, 364, 366, 378, 427, 468, 488, 504, 546, 549, 702, 728, 732, 756, 793, 819, 854, 936, 1092, 1098, 1281, 1404, 1464, 1512, 1586, 1638, 1647, 1708, 2184, 2196, 2379, 2457, 2562, 2808, 3172, 3276, 3294, 3416, 3843, 4392, 4758, 4914, 5124, 5551, 6344, 6552, 6588, 7137, 7686, 9516, 9828, 10248, 11102, 11529, 13176, 14274, 15372, 16653, 17021, 19032, 19656, 21411, 22204, 23058, 28548, 30744, 33306, 34042, 42822, 44408, 46116, 49959, 51063, 57096, 66612, 68084, 85644, 92232, 99918, 102126, 119147, 133224, 136168, 149877, 153189, 171288, 199836, 204252, 221273, 238294, 299754, 306378, 357441, 399672, 408504, 442546, 459567, 476588, 599508, 612756, 663819, 714882, 885092, 919134, 953176, 1038281, 1072323, 1199016, 1225512, 1327638, 1429764, 1548911, 1770184, 1838268, 1991457, 2076562, 2144646, 2655276, 2859528, 3097822, 3114843, 3216969, 3676536, 3982914, 4153124, 4289292, 4646733, 5310552, 5974371, 6195644, 6229686, 6433938, 7267967, 7965828, 8306248, 8578584, 9293466, 9344529, 11948742, 12391288, 12459372, 12867876, 13497653, 13940199, 14535934, 15931656, 18586932, 18689058, 21803901, 23897484, 24918744, 25735752, 26995306, 27880398, 28033587, 29071868, 37173864, 37378116, 40492959, 41820597, 43607802, 47794968, 53990612, 55760796, 56067174, 58143736, 65411703, 74756232, 80985918, 83641194, 87215604, 94483571, 107981224, 111521592, 112134348, 121478877, 130823406, 161971836, 167282388, 174431208, 188967142, 196235109, 224268696, 242957754, 261646812, 283450713, 323943672, 334564776, 364436631, 377934284, 392470218, 485915508, 523293624, 566901426, 728873262, 755868568, 784940436, 850352139, 971831016, 1133802852, 1457746524, 1569880872, 1700704278, 2267605704, 2551056417, 2915493048, 3401408556, 5102112834, 6802817112, 10204225668, 20408451336]

約数ペア:

[(1, 20408451336), (2, 10204225668), (3, 6802817112), (4, 5102112834), (6, 3401408556), (7, 2915493048), (8, 2551056417), (9, 2267605704), (12, 1700704278), (13, 1569880872), (14, 1457746524), (18, 1133802852), (21, 971831016), (24, 850352139), (26, 784940436), (27, 755868568), (28, 728873262), (36, 566901426), (39, 523293624), (42, 485915508), (52, 392470218), (54, 377934284), (56, 364436631), (61, 334564776), (63, 323943672), (72, 283450713), (78, 261646812), (84, 242957754), (91, 224268696), (104, 196235109), (108, 188967142), (117, 174431208), (122, 167282388), (126, 161971836), (156, 130823406), (168, 121478877), (182, 112134348), (183, 111521592), (189, 107981224), (216, 94483571), (234, 87215604), (244, 83641194), (252, 80985918), (273, 74756232), (312, 65411703), (351, 58143736), (364, 56067174), (366, 55760796), (378, 53990612), (427, 47794968), (468, 43607802), (488, 41820597), (504, 40492959), (546, 37378116), (549, 37173864), (702, 29071868), (728, 28033587), (732, 27880398), (756, 26995306), (793, 25735752), (819, 24918744), (854, 23897484), (936, 21803901), (1092, 18689058), (1098, 18586932), (1281, 15931656), (1404, 14535934), (1464, 13940199), (1512, 13497653), (1586, 12867876), (1638, 12459372), (1647, 12391288), (1708, 11948742), (2184, 9344529), (2196, 9293466), (2379, 8578584), (2457, 8306248), (2562, 7965828), (2808, 7267967), (3172, 6433938), (3276, 6229686), (3294, 6195644), (3416, 5974371), (3843, 5310552), (4392, 4646733), (4758, 4289292), (4914, 4153124), (5124, 3982914), (5551, 3676536), (6344, 3216969), (6552, 3114843), (6588, 3097822), (7137, 2859528), (7686, 2655276), (9516, 2144646), (9828, 2076562), (10248, 1991457), (11102, 1838268), (11529, 1770184), (13176, 1548911), (14274, 1429764), (15372, 1327638), (16653, 1225512), (17021, 1199016), (19032, 1072323), (19656, 1038281), (21411, 953176), (22204, 919134), (23058, 885092), (28548, 714882), (30744, 663819), (33306, 612756), (34042, 599508), (42822, 476588), (44408, 459567), (46116, 442546), (49959, 408504), (51063, 399672), (57096, 357441), (66612, 306378), (68084, 299754), (85644, 238294), (92232, 221273), (99918, 204252), (102126, 199836), (119147, 171288), (133224, 153189), (136168, 149877)]