20380504

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 39949200

約数和(自身を除く): 19568696

約数列:

[1, 2, 4, 8, 29, 58, 107, 116, 214, 232, 428, 821, 856, 1642, 3103, 3284, 6206, 6568, 12412, 23809, 24824, 47618, 87847, 95236, 175694, 190472, 351388, 702776, 2547563, 5095126, 10190252, 20380504]

約数ペア:

[(1, 20380504), (2, 10190252), (4, 5095126), (8, 2547563), (29, 702776), (58, 351388), (107, 190472), (116, 175694), (214, 95236), (232, 87847), (428, 47618), (821, 24824), (856, 23809), (1642, 12412), (3103, 6568), (3284, 6206)]