20211076860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25911637}}^1$

素因数の和:25911662

約数の個数: 48

約数和(自身を含む): 60944172576

約数和(自身を除く): 40733095716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25911637, 51823274, 77734911, 103646548, 129558185, 155469822, 259116370, 310939644, 336851281, 388674555, 518232740, 673702562, 777349110, 1010553843, 1347405124, 1554698220, 1684256405, 2021107686, 3368512810, 4042215372, 5052769215, 6737025620, 10105538430, 20211076860]

約数ペア:

[(1, 20211076860), (2, 10105538430), (3, 6737025620), (4, 5052769215), (5, 4042215372), (6, 3368512810), (10, 2021107686), (12, 1684256405), (13, 1554698220), (15, 1347405124), (20, 1010553843), (26, 777349110), (30, 673702562), (39, 518232740), (52, 388674555), (60, 336851281), (65, 310939644), (78, 259116370), (130, 155469822), (156, 129558185), (195, 103646548), (260, 77734911), (390, 51823274), (780, 25911637)]