20217839170

素因数分解:

$2^1\times 5^1\times {\mathrm{9649}}^1\times {\mathrm{209533}}^1$

素因数の和:219189

約数の個数: 16

約数和(自身を含む): 36396055800

約数和(自身を除く): 16178216630

約数列:

[1, 2, 5, 10, 9649, 19298, 48245, 96490, 209533, 419066, 1047665, 2095330, 2021783917, 4043567834, 10108919585, 20217839170]

約数ペア:

[(1, 20217839170), (2, 10108919585), (5, 4043567834), (10, 2021783917), (9649, 2095330), (19298, 1047665), (48245, 419066), (96490, 209533)]