20121155106

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{408817}}^1$

素因数の和:409466

約数の個数: 32

約数和(自身を含む): 43406659968

約数和(自身を除く): 23285504862

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 631, 1262, 1893, 3786, 8203, 16406, 24609, 49218, 408817, 817634, 1226451, 2452902, 5314621, 10629242, 15943863, 31887726, 257963527, 515927054, 773890581, 1547781162, 3353525851, 6707051702, 10060577553, 20121155106]

約数ペア:

[(1, 20121155106), (2, 10060577553), (3, 6707051702), (6, 3353525851), (13, 1547781162), (26, 773890581), (39, 515927054), (78, 257963527), (631, 31887726), (1262, 15943863), (1893, 10629242), (3786, 5314621), (8203, 2452902), (16406, 1226451), (24609, 817634), (49218, 408817)]