20325390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9281}}^1$

素因数の和:9364

約数の個数: 32

約数和(自身を含む): 49454496

約数和(自身を除く): 29129106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9281, 18562, 27843, 46405, 55686, 92810, 139215, 278430, 677513, 1355026, 2032539, 3387565, 4065078, 6775130, 10162695, 20325390]

約数ペア:

[(1, 20325390), (2, 10162695), (3, 6775130), (5, 4065078), (6, 3387565), (10, 2032539), (15, 1355026), (30, 677513), (73, 278430), (146, 139215), (219, 92810), (365, 55686), (438, 46405), (730, 27843), (1095, 18562), (2190, 9281)]