20415330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17449}}^1$

素因数の和:17475

約数の個数: 48

約数和(自身を含む): 57166200

約数和(自身を除く): 36750870

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17449, 34898, 52347, 87245, 104694, 157041, 174490, 226837, 261735, 314082, 453674, 523470, 680511, 785205, 1134185, 1361022, 1570410, 2041533, 2268370, 3402555, 4083066, 6805110, 10207665, 20415330]

約数ペア:

[(1, 20415330), (2, 10207665), (3, 6805110), (5, 4083066), (6, 3402555), (9, 2268370), (10, 2041533), (13, 1570410), (15, 1361022), (18, 1134185), (26, 785205), (30, 680511), (39, 523470), (45, 453674), (65, 314082), (78, 261735), (90, 226837), (117, 174490), (130, 157041), (195, 104694), (234, 87245), (390, 52347), (585, 34898), (1170, 17449)]