20187868976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{250993}}^1$

素因数の和:251469

約数の個数: 40

約数和(自身を含む): 42763353744

約数和(自身を除く): 22575484768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 457, 914, 1828, 3656, 5027, 7312, 10054, 20108, 40216, 80432, 250993, 501986, 1003972, 2007944, 2760923, 4015888, 5521846, 11043692, 22087384, 44174768, 114703801, 229407602, 458815204, 917630408, 1261741811, 1835260816, 2523483622, 5046967244, 10093934488, 20187868976]

約数ペア:

[(1, 20187868976), (2, 10093934488), (4, 5046967244), (8, 2523483622), (11, 1835260816), (16, 1261741811), (22, 917630408), (44, 458815204), (88, 229407602), (176, 114703801), (457, 44174768), (914, 22087384), (1828, 11043692), (3656, 5521846), (5027, 4015888), (7312, 2760923), (10054, 2007944), (20108, 1003972), (40216, 501986), (80432, 250993)]