20135390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 39816576

約数和(自身を除く): 19681186

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1123, 1630, 1793, 2246, 3586, 5615, 8965, 11230, 12353, 17930, 24706, 61765, 123530, 183049, 366098, 915245, 1830490, 2013539, 4027078, 10067695, 20135390]

約数ペア:

[(1, 20135390), (2, 10067695), (5, 4027078), (10, 2013539), (11, 1830490), (22, 915245), (55, 366098), (110, 183049), (163, 123530), (326, 61765), (815, 24706), (1123, 17930), (1630, 12353), (1793, 11230), (2246, 8965), (3586, 5615)]