20281616

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23917}}^1$

素因数の和:23978

約数の個数: 20

約数和(自身を含む): 40038732

約数和(自身を除く): 19757116

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23917, 47834, 95668, 191336, 382672, 1267601, 2535202, 5070404, 10140808, 20281616]

約数ペア:

[(1, 20281616), (2, 10140808), (4, 5070404), (8, 2535202), (16, 1267601), (53, 382672), (106, 191336), (212, 95668), (424, 47834), (848, 23917)]