20211287590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9145379}}^1$

素因数の和:9145416

約数の個数: 32

約数和(自身を含む): 41483443680

約数和(自身を除く): 21272156090

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9145379, 18290758, 45726895, 91453790, 118889927, 155471443, 237779854, 310942886, 594449635, 777357215, 1188899270, 1554714430, 2021128759, 4042257518, 10105643795, 20211287590]

約数ペア:

[(1, 20211287590), (2, 10105643795), (5, 4042257518), (10, 2021128759), (13, 1554714430), (17, 1188899270), (26, 777357215), (34, 594449635), (65, 310942886), (85, 237779854), (130, 155471443), (170, 118889927), (221, 91453790), (442, 45726895), (1105, 18290758), (2210, 9145379)]