20189045541

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22357747}}^1$

素因数の和:22357800

約数の個数: 16

約数和(自身を含む): 31479709184

約数和(自身を除く): 11290663643

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22357747, 67073241, 156504229, 469512687, 961383121, 2884149363, 6729681847, 20189045541]

約数ペア:

[(1, 20189045541), (3, 6729681847), (7, 2884149363), (21, 961383121), (43, 469512687), (129, 156504229), (301, 67073241), (903, 22357747)]