20306488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 20076872

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2213, 2294, 4426, 4588, 8852, 9176, 17704, 68603, 81881, 137206, 163762, 274412, 327524, 548824, 655048, 2538311, 5076622, 10153244, 20306488]

約数ペア:

[(1, 20306488), (2, 10153244), (4, 5076622), (8, 2538311), (31, 655048), (37, 548824), (62, 327524), (74, 274412), (124, 163762), (148, 137206), (248, 81881), (296, 68603), (1147, 17704), (2213, 9176), (2294, 8852), (4426, 4588)]