20458383984

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{8059}}^1$

素因数の和:8168

約数の個数: 180

約数和(自身を含む): 61825858120

約数和(自身を除く): 41367474136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 61, 68, 72, 102, 122, 136, 144, 153, 183, 204, 244, 272, 289, 306, 366, 408, 488, 549, 578, 612, 732, 816, 867, 976, 1037, 1098, 1156, 1224, 1464, 1734, 2074, 2196, 2312, 2448, 2601, 2928, 3111, 3468, 4148, 4392, 4624, 5202, 6222, 6936, 8059, 8296, 8784, 9333, 10404, 12444, 13872, 16118, 16592, 17629, 18666, 20808, 24177, 24888, 32236, 35258, 37332, 41616, 48354, 49776, 52887, 64472, 70516, 72531, 74664, 96708, 105774, 128944, 137003, 141032, 145062, 149328, 158661, 193416, 211548, 274006, 282064, 290124, 317322, 386832, 411009, 423096, 491599, 548012, 580248, 634644, 822018, 846192, 983198, 1096024, 1160496, 1233027, 1269288, 1474797, 1644036, 1966396, 2192048, 2329051, 2466054, 2538576, 2949594, 3288072, 3932792, 4424391, 4658102, 4932108, 5899188, 6576144, 6987153, 7865584, 8357183, 8848782, 9316204, 9864216, 11798376, 13974306, 16714366, 17697564, 18632408, 19728432, 20961459, 23596752, 25071549, 27948612, 33428732, 35395128, 37264816, 41922918, 50143098, 55897224, 66857464, 70790256, 75214647, 83845836, 100286196, 111794448, 133714928, 142072111, 150429294, 167691672, 200572392, 284144222, 300858588, 335383344, 401144784, 426216333, 568288444, 601717176, 852432666, 1136576888, 1203434352, 1278648999, 1704865332, 2273153776, 2557297998, 3409730664, 5114595996, 6819461328, 10229191992, 20458383984]

約数ペア:

[(1, 20458383984), (2, 10229191992), (3, 6819461328), (4, 5114595996), (6, 3409730664), (8, 2557297998), (9, 2273153776), (12, 1704865332), (16, 1278648999), (17, 1203434352), (18, 1136576888), (24, 852432666), (34, 601717176), (36, 568288444), (48, 426216333), (51, 401144784), (61, 335383344), (68, 300858588), (72, 284144222), (102, 200572392), (122, 167691672), (136, 150429294), (144, 142072111), (153, 133714928), (183, 111794448), (204, 100286196), (244, 83845836), (272, 75214647), (289, 70790256), (306, 66857464), (366, 55897224), (408, 50143098), (488, 41922918), (549, 37264816), (578, 35395128), (612, 33428732), (732, 27948612), (816, 25071549), (867, 23596752), (976, 20961459), (1037, 19728432), (1098, 18632408), (1156, 17697564), (1224, 16714366), (1464, 13974306), (1734, 11798376), (2074, 9864216), (2196, 9316204), (2312, 8848782), (2448, 8357183), (2601, 7865584), (2928, 6987153), (3111, 6576144), (3468, 5899188), (4148, 4932108), (4392, 4658102), (4624, 4424391), (5202, 3932792), (6222, 3288072), (6936, 2949594), (8059, 2538576), (8296, 2466054), (8784, 2329051), (9333, 2192048), (10404, 1966396), (12444, 1644036), (13872, 1474797), (16118, 1269288), (16592, 1233027), (17629, 1160496), (18666, 1096024), (20808, 983198), (24177, 846192), (24888, 822018), (32236, 634644), (35258, 580248), (37332, 548012), (41616, 491599), (48354, 423096), (49776, 411009), (52887, 386832), (64472, 317322), (70516, 290124), (72531, 282064), (74664, 274006), (96708, 211548), (105774, 193416), (128944, 158661), (137003, 149328), (141032, 145062)]