20689710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22247}}^1$

素因数の和:22288

約数の個数: 32

約数和(自身を含む): 51259392

約数和(自身を除く): 30569682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22247, 44494, 66741, 111235, 133482, 222470, 333705, 667410, 689657, 1379314, 2068971, 3448285, 4137942, 6896570, 10344855, 20689710]

約数ペア:

[(1, 20689710), (2, 10344855), (3, 6896570), (5, 4137942), (6, 3448285), (10, 2068971), (15, 1379314), (30, 689657), (31, 667410), (62, 333705), (93, 222470), (155, 133482), (186, 111235), (310, 66741), (465, 44494), (930, 22247)]