20120221258

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{20233}}^1$

素因数の和:20502

約数の個数: 32

約数和(自身を含む): 31467916800

約数和(自身を除く): 11347695542

約数列:

[1, 2, 47, 71, 94, 142, 149, 298, 3337, 6674, 7003, 10579, 14006, 20233, 21158, 40466, 497213, 950951, 994426, 1436543, 1901902, 2873086, 3014717, 6029434, 67517521, 135035042, 141691699, 214044907, 283383398, 428089814, 10060110629, 20120221258]

約数ペア:

[(1, 20120221258), (2, 10060110629), (47, 428089814), (71, 283383398), (94, 214044907), (142, 141691699), (149, 135035042), (298, 67517521), (3337, 6029434), (6674, 3014717), (7003, 2873086), (10579, 1901902), (14006, 1436543), (20233, 994426), (21158, 950951), (40466, 497213)]