20121490194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257967823}}^1$

素因数の和:257967841

約数の個数: 16

約数和(自身を含む): 43338594432

約数和(自身を除く): 23217104238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257967823, 515935646, 773903469, 1547806938, 3353581699, 6707163398, 10060745097, 20121490194]

約数ペア:

[(1, 20121490194), (2, 10060745097), (3, 6707163398), (6, 3353581699), (13, 1547806938), (26, 773903469), (39, 515935646), (78, 257967823)]