20299150

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2243}}^1$

素因数の和:2436

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 17682794

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 2243, 4486, 4525, 9050, 11215, 22430, 56075, 112150, 405983, 811966, 2029915, 4059830, 10149575, 20299150]

約数ペア:

[(1, 20299150), (2, 10149575), (5, 4059830), (10, 2029915), (25, 811966), (50, 405983), (181, 112150), (362, 56075), (905, 22430), (1810, 11215), (2243, 9050), (4486, 4525)]