19929020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16889}}^1$

素因数の和:16957

約数の個数: 24

約数和(自身を含む): 42562800

約数和(自身を除く): 22633780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16889, 33778, 67556, 84445, 168890, 337780, 996451, 1992902, 3985804, 4982255, 9964510, 19929020]

約数ペア:

[(1, 19929020), (2, 9964510), (4, 4982255), (5, 3985804), (10, 1992902), (20, 996451), (59, 337780), (118, 168890), (236, 84445), (295, 67556), (590, 33778), (1180, 16889)]