20401492

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 36630720

約数和(自身を除く): 16229228

約数列:

[1, 2, 4, 59, 118, 137, 236, 274, 548, 631, 1262, 2524, 8083, 16166, 32332, 37229, 74458, 86447, 148916, 172894, 345788, 5100373, 10200746, 20401492]

約数ペア:

[(1, 20401492), (2, 10200746), (4, 5100373), (59, 345788), (118, 172894), (137, 148916), (236, 86447), (274, 74458), (548, 37229), (631, 32332), (1262, 16166), (2524, 8083)]