20400056

素因数分解:

$2^3\times {\mathrm{607}}^1\times {\mathrm{4201}}^1$

素因数の和:4814

約数の個数: 16

約数和(自身を含む): 38322240

約数和(自身を除く): 17922184

約数列:

[1, 2, 4, 8, 607, 1214, 2428, 4201, 4856, 8402, 16804, 33608, 2550007, 5100014, 10200028, 20400056]

約数ペア:

[(1, 20400056), (2, 10200028), (4, 5100014), (8, 2550007), (607, 33608), (1214, 16804), (2428, 8402), (4201, 4856)]