20418032

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7829}}^1$

素因数の和:8000

約数の個数: 20

約数和(自身を含む): 39807720

約数和(自身を除く): 19389688

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7829, 15658, 31316, 62632, 125264, 1276127, 2552254, 5104508, 10209016, 20418032]

約数ペア:

[(1, 20418032), (2, 10209016), (4, 5104508), (8, 2552254), (16, 1276127), (163, 125264), (326, 62632), (652, 31316), (1304, 15658), (2608, 7829)]