20348523440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{2693}}^1$

素因数の和:2947

約数の個数: 160

約数和(自身を含む): 55031049216

約数和(自身を除く): 34682525776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 131, 140, 206, 262, 280, 412, 515, 524, 560, 655, 721, 824, 917, 1030, 1048, 1310, 1442, 1648, 1834, 2060, 2096, 2620, 2693, 2884, 3605, 3668, 4120, 4585, 5240, 5386, 5768, 7210, 7336, 8240, 9170, 10480, 10772, 11536, 13465, 13493, 14420, 14672, 18340, 18851, 21544, 26930, 26986, 28840, 36680, 37702, 43088, 53860, 53972, 57680, 67465, 73360, 75404, 94255, 94451, 107720, 107944, 134930, 150808, 188510, 188902, 215440, 215888, 269860, 277379, 301616, 352783, 377020, 377804, 472255, 539720, 554758, 705566, 754040, 755608, 944510, 1079440, 1109516, 1386895, 1411132, 1508080, 1511216, 1763915, 1889020, 1941653, 2219032, 2469481, 2773790, 2822264, 3527830, 3778040, 3883306, 4438064, 4938962, 5547580, 5644528, 7055660, 7556080, 7766612, 9708265, 9877924, 11095160, 12347405, 14111320, 15533224, 19416530, 19755848, 22190320, 24694810, 28222640, 31066448, 36336649, 38833060, 39511696, 49389620, 72673298, 77666120, 98779240, 145346596, 155332240, 181683245, 197558480, 254356543, 290693192, 363366490, 508713086, 581386384, 726732980, 1017426172, 1271782715, 1453465960, 2034852344, 2543565430, 2906931920, 4069704688, 5087130860, 10174261720, 20348523440]

約数ペア:

[(1, 20348523440), (2, 10174261720), (4, 5087130860), (5, 4069704688), (7, 2906931920), (8, 2543565430), (10, 2034852344), (14, 1453465960), (16, 1271782715), (20, 1017426172), (28, 726732980), (35, 581386384), (40, 508713086), (56, 363366490), (70, 290693192), (80, 254356543), (103, 197558480), (112, 181683245), (131, 155332240), (140, 145346596), (206, 98779240), (262, 77666120), (280, 72673298), (412, 49389620), (515, 39511696), (524, 38833060), (560, 36336649), (655, 31066448), (721, 28222640), (824, 24694810), (917, 22190320), (1030, 19755848), (1048, 19416530), (1310, 15533224), (1442, 14111320), (1648, 12347405), (1834, 11095160), (2060, 9877924), (2096, 9708265), (2620, 7766612), (2693, 7556080), (2884, 7055660), (3605, 5644528), (3668, 5547580), (4120, 4938962), (4585, 4438064), (5240, 3883306), (5386, 3778040), (5768, 3527830), (7210, 2822264), (7336, 2773790), (8240, 2469481), (9170, 2219032), (10480, 1941653), (10772, 1889020), (11536, 1763915), (13465, 1511216), (13493, 1508080), (14420, 1411132), (14672, 1386895), (18340, 1109516), (18851, 1079440), (21544, 944510), (26930, 755608), (26986, 754040), (28840, 705566), (36680, 554758), (37702, 539720), (43088, 472255), (53860, 377804), (53972, 377020), (57680, 352783), (67465, 301616), (73360, 277379), (75404, 269860), (94255, 215888), (94451, 215440), (107720, 188902), (107944, 188510), (134930, 150808)]