20194695

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4357}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 35352096

約数和(自身を除く): 15157401

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4357, 4635, 13071, 21785, 39213, 65355, 196065, 448771, 1346313, 2243855, 4038939, 6731565, 20194695]

約数ペア:

[(1, 20194695), (3, 6731565), (5, 4038939), (9, 2243855), (15, 1346313), (45, 448771), (103, 196065), (309, 65355), (515, 39213), (927, 21785), (1545, 13071), (4357, 4635)]