20278370648

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{4231}}^1\times {\mathrm{4373}}^1$

素因数の和:8747

約数の個数: 32

約数和(自身を含む): 38317289760

約数和(自身を除く): 18038919112

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 4231, 4373, 8462, 8746, 16924, 17492, 33848, 34984, 579647, 599101, 1159294, 1198202, 2318588, 2396404, 4637176, 4792808, 18502163, 37004326, 74008652, 148017304, 2534796331, 5069592662, 10139185324, 20278370648]

約数ペア:

[(1, 20278370648), (2, 10139185324), (4, 5069592662), (8, 2534796331), (137, 148017304), (274, 74008652), (548, 37004326), (1096, 18502163), (4231, 4792808), (4373, 4637176), (8462, 2396404), (8746, 2318588), (16924, 1198202), (17492, 1159294), (33848, 599101), (34984, 579647)]