20306396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1931}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18642724

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 1931, 2629, 3862, 5258, 7724, 10516, 21241, 42482, 84964, 461509, 923018, 1846036, 5076599, 10153198, 20306396]

約数ペア:

[(1, 20306396), (2, 10153198), (4, 5076599), (11, 1846036), (22, 923018), (44, 461509), (239, 84964), (478, 42482), (956, 21241), (1931, 10516), (2629, 7724), (3862, 5258)]