20121155090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3803621}}^1$

素因数の和:3803674

約数の個数: 24

約数和(自身を含む): 37861253388

約数和(自身を除く): 17740098298

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 5290, 3803621, 7607242, 19018105, 38036210, 87483283, 174966566, 437416415, 874832830, 2012115509, 4024231018, 10060577545, 20121155090]

約数ペア:

[(1, 20121155090), (2, 10060577545), (5, 4024231018), (10, 2012115509), (23, 874832830), (46, 437416415), (115, 174966566), (230, 87483283), (529, 38036210), (1058, 19018105), (2645, 7607242), (5290, 3803621)]