20532560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11159}}^1$

素因数の和:11195

約数の個数: 40

約数和(自身を含む): 49818240

約数和(自身を除く): 29285680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11159, 22318, 44636, 55795, 89272, 111590, 178544, 223180, 256657, 446360, 513314, 892720, 1026628, 1283285, 2053256, 2566570, 4106512, 5133140, 10266280, 20532560]

約数ペア:

[(1, 20532560), (2, 10266280), (4, 5133140), (5, 4106512), (8, 2566570), (10, 2053256), (16, 1283285), (20, 1026628), (23, 892720), (40, 513314), (46, 446360), (80, 256657), (92, 223180), (115, 178544), (184, 111590), (230, 89272), (368, 55795), (460, 44636), (920, 22318), (1840, 11159)]