20431832

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23431}}^1$

素因数の和:23546

約数の個数: 16

約数和(自身を含む): 38662800

約数和(自身を除く): 18230968

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23431, 46862, 93724, 187448, 2553979, 5107958, 10215916, 20431832]

約数ペア:

[(1, 20431832), (2, 10215916), (4, 5107958), (8, 2553979), (109, 187448), (218, 93724), (436, 46862), (872, 23431)]