20805216410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1\times {\mathrm{8429}}^1$

素因数の和:9647

約数の個数: 64

約数和(自身を含む): 43045603200

約数和(自身を除く): 22240386790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 1181, 2090, 2362, 5905, 8429, 11810, 12991, 16858, 22439, 25982, 42145, 44878, 64955, 84290, 92719, 112195, 129910, 160151, 185438, 224390, 246829, 320302, 463595, 493658, 800755, 927190, 1234145, 1601510, 1761661, 2468290, 3523322, 8808305, 9954649, 17616610, 19909298, 49773245, 99546490, 109501139, 189138331, 219002278, 378276662, 547505695, 945691655, 1095011390, 1891383310, 2080521641, 4161043282, 10402608205, 20805216410]

約数ペア:

[(1, 20805216410), (2, 10402608205), (5, 4161043282), (10, 2080521641), (11, 1891383310), (19, 1095011390), (22, 945691655), (38, 547505695), (55, 378276662), (95, 219002278), (110, 189138331), (190, 109501139), (209, 99546490), (418, 49773245), (1045, 19909298), (1181, 17616610), (2090, 9954649), (2362, 8808305), (5905, 3523322), (8429, 2468290), (11810, 1761661), (12991, 1601510), (16858, 1234145), (22439, 927190), (25982, 800755), (42145, 493658), (44878, 463595), (64955, 320302), (84290, 246829), (92719, 224390), (112195, 185438), (129910, 160151)]