20833100

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1151}}^1$

素因数の和:1346

約数の個数: 36

約数和(自身を含む): 45497088

約数和(自身を除く): 24663988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1151, 1810, 2302, 3620, 4525, 4604, 5755, 9050, 11510, 18100, 23020, 28775, 57550, 115100, 208331, 416662, 833324, 1041655, 2083310, 4166620, 5208275, 10416550, 20833100]

約数ペア:

[(1, 20833100), (2, 10416550), (4, 5208275), (5, 4166620), (10, 2083310), (20, 1041655), (25, 833324), (50, 416662), (100, 208331), (181, 115100), (362, 57550), (724, 28775), (905, 23020), (1151, 18100), (1810, 11510), (2302, 9050), (3620, 5755), (4525, 4604)]