20156786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 14776462

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 481, 598, 851, 911, 962, 1702, 1822, 11063, 11843, 20953, 22126, 23686, 33707, 41906, 67414, 272389, 438191, 544778, 775261, 876382, 1550522, 10078393, 20156786]

約数ペア:

[(1, 20156786), (2, 10078393), (13, 1550522), (23, 876382), (26, 775261), (37, 544778), (46, 438191), (74, 272389), (299, 67414), (481, 41906), (598, 33707), (851, 23686), (911, 22126), (962, 20953), (1702, 11843), (1822, 11063)]