20156546740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5389451}}^1$

素因数の和:5389488

約数の個数: 48

約数和(自身を含む): 48893108544

約数和(自身を除く): 28736561804

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5389451, 10778902, 21557804, 26947255, 53894510, 59283961, 91620667, 107789020, 118567922, 183241334, 237135844, 296419805, 366482668, 458103335, 592839610, 916206670, 1007827337, 1185679220, 1832413340, 2015654674, 4031309348, 5039136685, 10078273370, 20156546740]

約数ペア:

[(1, 20156546740), (2, 10078273370), (4, 5039136685), (5, 4031309348), (10, 2015654674), (11, 1832413340), (17, 1185679220), (20, 1007827337), (22, 916206670), (34, 592839610), (44, 458103335), (55, 366482668), (68, 296419805), (85, 237135844), (110, 183241334), (170, 118567922), (187, 107789020), (220, 91620667), (340, 59283961), (374, 53894510), (748, 26947255), (935, 21557804), (1870, 10778902), (3740, 5389451)]