20446550

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2141}}^1$

素因数の和:2344

約数の個数: 24

約数和(自身を含む): 38247552

約数和(自身を除く): 17801002

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2141, 4282, 4775, 9550, 10705, 21410, 53525, 107050, 408931, 817862, 2044655, 4089310, 10223275, 20446550]

約数ペア:

[(1, 20446550), (2, 10223275), (5, 4089310), (10, 2044655), (25, 817862), (50, 408931), (191, 107050), (382, 53525), (955, 21410), (1910, 10705), (2141, 9550), (4282, 4775)]