20454789124

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{29741}}^1$

素因数の和:29810

約数の個数: 108

約数和(自身を含む): 47349561420

約数和(自身を除く): 26894772296

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 121, 154, 196, 203, 242, 308, 319, 406, 484, 539, 638, 812, 847, 1078, 1276, 1421, 1694, 2156, 2233, 2842, 3388, 3509, 4466, 5684, 5929, 7018, 8932, 11858, 14036, 15631, 23716, 24563, 29741, 31262, 49126, 59482, 62524, 98252, 118964, 171941, 208187, 327151, 343882, 416374, 654302, 687764, 832748, 862489, 1308604, 1457309, 1724978, 2290057, 2914618, 3449956, 3598661, 4580114, 5829236, 6037423, 7197322, 9160228, 9487379, 12074846, 14394644, 16030399, 18974758, 24149692, 25190627, 32060798, 37949516, 42261961, 50381254, 64121596, 66411653, 84523922, 100762508, 104361169, 132823306, 169047844, 176334389, 208722338, 265646612, 352668778, 417444676, 464881571, 705337556, 730528183, 929763142, 1461056366, 1859526284, 2922112732, 5113697281, 10227394562, 20454789124]

約数ペア:

[(1, 20454789124), (2, 10227394562), (4, 5113697281), (7, 2922112732), (11, 1859526284), (14, 1461056366), (22, 929763142), (28, 730528183), (29, 705337556), (44, 464881571), (49, 417444676), (58, 352668778), (77, 265646612), (98, 208722338), (116, 176334389), (121, 169047844), (154, 132823306), (196, 104361169), (203, 100762508), (242, 84523922), (308, 66411653), (319, 64121596), (406, 50381254), (484, 42261961), (539, 37949516), (638, 32060798), (812, 25190627), (847, 24149692), (1078, 18974758), (1276, 16030399), (1421, 14394644), (1694, 12074846), (2156, 9487379), (2233, 9160228), (2842, 7197322), (3388, 6037423), (3509, 5829236), (4466, 4580114), (5684, 3598661), (5929, 3449956), (7018, 2914618), (8932, 2290057), (11858, 1724978), (14036, 1457309), (15631, 1308604), (23716, 862489), (24563, 832748), (29741, 687764), (31262, 654302), (49126, 416374), (59482, 343882), (62524, 327151), (98252, 208187), (118964, 171941)]