20098460

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3821}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 22279876

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3821, 5260, 7642, 15284, 19105, 38210, 76420, 1004923, 2009846, 4019692, 5024615, 10049230, 20098460]

約数ペア:

[(1, 20098460), (2, 10049230), (4, 5024615), (5, 4019692), (10, 2009846), (20, 1004923), (263, 76420), (526, 38210), (1052, 19105), (1315, 15284), (2630, 7642), (3821, 5260)]