20067550900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2254781}}^1$

素因数の和:2254884

約数の個数: 36

約数和(自身を含む): 44035892460

約数和(自身を除く): 23968341560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 8900, 2254781, 4509562, 9019124, 11273905, 22547810, 45095620, 56369525, 112739050, 200675509, 225478100, 401351018, 802702036, 1003377545, 2006755090, 4013510180, 5016887725, 10033775450, 20067550900]

約数ペア:

[(1, 20067550900), (2, 10033775450), (4, 5016887725), (5, 4013510180), (10, 2006755090), (20, 1003377545), (25, 802702036), (50, 401351018), (89, 225478100), (100, 200675509), (178, 112739050), (356, 56369525), (445, 45095620), (890, 22547810), (1780, 11273905), (2225, 9019124), (4450, 4509562), (8900, 2254781)]