20211005980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1\times {\mathrm{1409}}^1$

素因数の和:2119

約数の個数: 96

約数和(自身を含む): 46825490880

約数和(自身を除く): 26614484900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 577, 1130, 1154, 1243, 1409, 2260, 2308, 2486, 2818, 2885, 4972, 5636, 5770, 6215, 6347, 7045, 11540, 12430, 12694, 14090, 15499, 24860, 25388, 28180, 30998, 31735, 61996, 63470, 65201, 77495, 126940, 130402, 154990, 159217, 260804, 309980, 318434, 326005, 636868, 652010, 717211, 796085, 812993, 1304020, 1434422, 1592170, 1625986, 1751387, 2868844, 3184340, 3251972, 3502774, 3586055, 4064965, 7005548, 7172110, 8129930, 8756935, 8942923, 14344220, 16259860, 17513870, 17885846, 35027740, 35771692, 44714615, 89429230, 91868209, 178858460, 183736418, 367472836, 459341045, 918682090, 1010550299, 1837364180, 2021100598, 4042201196, 5052751495, 10105502990, 20211005980]

約数ペア:

[(1, 20211005980), (2, 10105502990), (4, 5052751495), (5, 4042201196), (10, 2021100598), (11, 1837364180), (20, 1010550299), (22, 918682090), (44, 459341045), (55, 367472836), (110, 183736418), (113, 178858460), (220, 91868209), (226, 89429230), (452, 44714615), (565, 35771692), (577, 35027740), (1130, 17885846), (1154, 17513870), (1243, 16259860), (1409, 14344220), (2260, 8942923), (2308, 8756935), (2486, 8129930), (2818, 7172110), (2885, 7005548), (4972, 4064965), (5636, 3586055), (5770, 3502774), (6215, 3251972), (6347, 3184340), (7045, 2868844), (11540, 1751387), (12430, 1625986), (12694, 1592170), (14090, 1434422), (15499, 1304020), (24860, 812993), (25388, 796085), (28180, 717211), (30998, 652010), (31735, 636868), (61996, 326005), (63470, 318434), (65201, 309980), (77495, 260804), (126940, 159217), (130402, 154990)]