20992976

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19583}}^1$

素因数の和:19658

約数の個数: 20

約数和(自身を含む): 41283072

約数和(自身を除く): 20290096

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19583, 39166, 78332, 156664, 313328, 1312061, 2624122, 5248244, 10496488, 20992976]

約数ペア:

[(1, 20992976), (2, 10496488), (4, 5248244), (8, 2624122), (16, 1312061), (67, 313328), (134, 156664), (268, 78332), (536, 39166), (1072, 19583)]