20215548860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77752111}}^1$

素因数の和:77752133

約数の個数: 24

約数和(自身を含む): 45718241856

約数和(自身を除く): 25502692996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77752111, 155504222, 311008444, 388760555, 777521110, 1010777443, 1555042220, 2021554886, 4043109772, 5053887215, 10107774430, 20215548860]

約数ペア:

[(1, 20215548860), (2, 10107774430), (4, 5053887215), (5, 4043109772), (10, 2021554886), (13, 1555042220), (20, 1010777443), (26, 777521110), (52, 388760555), (65, 311008444), (130, 155504222), (260, 77752111)]