20178032860

素因数分解:

$2^2\times 5^1\times {\mathrm{8663}}^1\times {\mathrm{116461}}^1$

素因数の和:125133

約数の個数: 24

約数和(自身を含む): 42379124256

約数和(自身を除く): 22201091396

約数列:

[1, 2, 4, 5, 10, 20, 8663, 17326, 34652, 43315, 86630, 116461, 173260, 232922, 465844, 582305, 1164610, 2329220, 1008901643, 2017803286, 4035606572, 5044508215, 10089016430, 20178032860]

約数ペア:

[(1, 20178032860), (2, 10089016430), (4, 5044508215), (5, 4035606572), (10, 2017803286), (20, 1008901643), (8663, 2329220), (17326, 1164610), (34652, 582305), (43315, 465844), (86630, 232922), (116461, 173260)]