15662724020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1860181}}^1$

素因数の和:1860611

約数の個数: 24

約数和(自身を含む): 32969865768

約数和(自身を除く): 17307141748

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 1860181, 3720362, 7440724, 9300905, 18601810, 37203620, 783136201, 1566272402, 3132544804, 3915681005, 7831362010, 15662724020]

約数ペア:

[(1, 15662724020), (2, 7831362010), (4, 3915681005), (5, 3132544804), (10, 1566272402), (20, 783136201), (421, 37203620), (842, 18601810), (1684, 9300905), (2105, 7440724), (4210, 3720362), (8420, 1860181)]