20071400

素因数分解:

$2^3\times 5^2\times {\mathrm{100357}}^1$

素因数の和:100373

約数の個数: 24

約数和(自身を含む): 46666470

約数和(自身を除く): 26595070

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100357, 200714, 401428, 501785, 802856, 1003570, 2007140, 2508925, 4014280, 5017850, 10035700, 20071400]

約数ペア:

[(1, 20071400), (2, 10035700), (4, 5017850), (5, 4014280), (8, 2508925), (10, 2007140), (20, 1003570), (25, 802856), (40, 501785), (50, 401428), (100, 200714), (200, 100357)]