20837222

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20963}}^1$

素因数の和:21043

約数の個数: 16

約数和(自身を含む): 36225792

約数和(自身を除く): 15388570

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20963, 41926, 146741, 293482, 1488373, 2976746, 10418611, 20837222]

約数ペア:

[(1, 20837222), (2, 10418611), (7, 2976746), (14, 1488373), (71, 293482), (142, 146741), (497, 41926), (994, 20963)]