20121530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14071}}^1$

素因数の和:14102

約数の個数: 32

約数和(自身を含む): 42553728

約数和(自身を除く): 22432198

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14071, 28142, 70355, 140710, 154781, 182923, 309562, 365846, 773905, 914615, 1547810, 1829230, 2012153, 4024306, 10060765, 20121530]

約数ペア:

[(1, 20121530), (2, 10060765), (5, 4024306), (10, 2012153), (11, 1829230), (13, 1547810), (22, 914615), (26, 773905), (55, 365846), (65, 309562), (110, 182923), (130, 154781), (143, 140710), (286, 70355), (715, 28142), (1430, 14071)]