20121178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{130657}}^1$

素因数の和:130677

約数の個数: 16

約数和(自身を含む): 37629504

約数和(自身を除く): 17508326

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 130657, 261314, 914599, 1437227, 1829198, 2874454, 10060589, 20121178]

約数ペア:

[(1, 20121178), (2, 10060589), (7, 2874454), (11, 1829198), (14, 1437227), (22, 914599), (77, 261314), (154, 130657)]