22813660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3947}}^1$

素因数の和:3990

約数の個数: 36

約数和(自身を含む): 50905512

約数和(自身を除く): 28091852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3947, 5780, 7894, 15788, 19735, 39470, 67099, 78940, 134198, 268396, 335495, 670990, 1140683, 1341980, 2281366, 4562732, 5703415, 11406830, 22813660]

約数ペア:

[(1, 22813660), (2, 11406830), (4, 5703415), (5, 4562732), (10, 2281366), (17, 1341980), (20, 1140683), (34, 670990), (68, 335495), (85, 268396), (170, 134198), (289, 78940), (340, 67099), (578, 39470), (1156, 19735), (1445, 15788), (2890, 7894), (3947, 5780)]