20147380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5387}}^1$

素因数の和:5424

約数の個数: 48

約数和(自身を含む): 48879936

約数和(自身を除く): 28732556

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, 5387, 10774, 21548, 26935, 53870, 59257, 91579, 107740, 118514, 183158, 237028, 296285, 366316, 457895, 592570, 915790, 1007369, 1185140, 1831580, 2014738, 4029476, 5036845, 10073690, 20147380]

約数ペア:

[(1, 20147380), (2, 10073690), (4, 5036845), (5, 4029476), (10, 2014738), (11, 1831580), (17, 1185140), (20, 1007369), (22, 915790), (34, 592570), (44, 457895), (55, 366316), (68, 296285), (85, 237028), (110, 183158), (170, 118514), (187, 107740), (220, 91579), (340, 59257), (374, 53870), (748, 26935), (935, 21548), (1870, 10774), (3740, 5387)]