20555470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12163}}^1$

素因数の和:12196

約数の個数: 24

約数和(自身を含む): 40068216

約数和(自身を除く): 19512746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12163, 24326, 60815, 121630, 158119, 316238, 790595, 1581190, 2055547, 4111094, 10277735, 20555470]

約数ペア:

[(1, 20555470), (2, 10277735), (5, 4111094), (10, 2055547), (13, 1581190), (26, 790595), (65, 316238), (130, 158119), (169, 121630), (338, 60815), (845, 24326), (1690, 12163)]