20749036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 28602644

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 29, 44, 46, 58, 77, 92, 101, 116, 154, 161, 202, 203, 253, 308, 319, 322, 404, 406, 506, 638, 644, 667, 707, 812, 1012, 1111, 1276, 1334, 1414, 1771, 2222, 2233, 2323, 2668, 2828, 2929, 3542, 4444, 4466, 4646, 4669, 5858, 7084, 7337, 7777, 8932, 9292, 9338, 11716, 14674, 15554, 16261, 18676, 20503, 25553, 29348, 31108, 32219, 32522, 41006, 51106, 51359, 64438, 65044, 67367, 82012, 102212, 102718, 128876, 134734, 178871, 205436, 225533, 269468, 357742, 451066, 471569, 715484, 741037, 902132, 943138, 1482074, 1886276, 2964148, 5187259, 10374518, 20749036]

約数ペア:

[(1, 20749036), (2, 10374518), (4, 5187259), (7, 2964148), (11, 1886276), (14, 1482074), (22, 943138), (23, 902132), (28, 741037), (29, 715484), (44, 471569), (46, 451066), (58, 357742), (77, 269468), (92, 225533), (101, 205436), (116, 178871), (154, 134734), (161, 128876), (202, 102718), (203, 102212), (253, 82012), (308, 67367), (319, 65044), (322, 64438), (404, 51359), (406, 51106), (506, 41006), (638, 32522), (644, 32219), (667, 31108), (707, 29348), (812, 25553), (1012, 20503), (1111, 18676), (1276, 16261), (1334, 15554), (1414, 14674), (1771, 11716), (2222, 9338), (2233, 9292), (2323, 8932), (2668, 7777), (2828, 7337), (2929, 7084), (3542, 5858), (4444, 4669), (4466, 4646)]