20703540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 51549900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 19, 20, 22, 26, 30, 33, 38, 39, 44, 52, 55, 57, 60, 65, 66, 76, 78, 95, 110, 114, 127, 130, 132, 143, 156, 165, 190, 195, 209, 220, 228, 247, 254, 260, 285, 286, 330, 380, 381, 390, 418, 429, 494, 508, 570, 572, 627, 635, 660, 715, 741, 762, 780, 836, 858, 988, 1045, 1140, 1235, 1254, 1270, 1397, 1430, 1482, 1524, 1651, 1716, 1905, 2090, 2145, 2413, 2470, 2508, 2540, 2717, 2794, 2860, 2964, 3135, 3302, 3705, 3810, 4180, 4191, 4290, 4826, 4940, 4953, 5434, 5588, 6270, 6604, 6985, 7239, 7410, 7620, 8151, 8255, 8382, 8580, 9652, 9906, 10868, 12065, 12540, 13585, 13970, 14478, 14820, 16302, 16510, 16764, 18161, 19812, 20955, 24130, 24765, 26543, 27170, 27940, 28956, 31369, 32604, 33020, 36195, 36322, 40755, 41910, 48260, 49530, 53086, 54340, 54483, 62738, 72390, 72644, 79629, 81510, 83820, 90805, 94107, 99060, 106172, 108966, 125476, 132715, 144780, 156845, 159258, 163020, 181610, 188214, 217932, 265430, 272415, 313690, 318516, 345059, 363220, 376428, 398145, 470535, 530860, 544830, 627380, 690118, 796290, 941070, 1035177, 1089660, 1380236, 1592580, 1725295, 1882140, 2070354, 3450590, 4140708, 5175885, 6901180, 10351770, 20703540]

約数ペア:

[(1, 20703540), (2, 10351770), (3, 6901180), (4, 5175885), (5, 4140708), (6, 3450590), (10, 2070354), (11, 1882140), (12, 1725295), (13, 1592580), (15, 1380236), (19, 1089660), (20, 1035177), (22, 941070), (26, 796290), (30, 690118), (33, 627380), (38, 544830), (39, 530860), (44, 470535), (52, 398145), (55, 376428), (57, 363220), (60, 345059), (65, 318516), (66, 313690), (76, 272415), (78, 265430), (95, 217932), (110, 188214), (114, 181610), (127, 163020), (130, 159258), (132, 156845), (143, 144780), (156, 132715), (165, 125476), (190, 108966), (195, 106172), (209, 99060), (220, 94107), (228, 90805), (247, 83820), (254, 81510), (260, 79629), (285, 72644), (286, 72390), (330, 62738), (380, 54483), (381, 54340), (390, 53086), (418, 49530), (429, 48260), (494, 41910), (508, 40755), (570, 36322), (572, 36195), (627, 33020), (635, 32604), (660, 31369), (715, 28956), (741, 27940), (762, 27170), (780, 26543), (836, 24765), (858, 24130), (988, 20955), (1045, 19812), (1140, 18161), (1235, 16764), (1254, 16510), (1270, 16302), (1397, 14820), (1430, 14478), (1482, 13970), (1524, 13585), (1651, 12540), (1716, 12065), (1905, 10868), (2090, 9906), (2145, 9652), (2413, 8580), (2470, 8382), (2508, 8255), (2540, 8151), (2717, 7620), (2794, 7410), (2860, 7239), (2964, 6985), (3135, 6604), (3302, 6270), (3705, 5588), (3810, 5434), (4180, 4953), (4191, 4940), (4290, 4826)]