20120670830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2179921}}^1$

素因数の和:2180012

約数の個数: 32

約数和(自身を含む): 39552504768

約数和(自身を除く): 19431833938

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 2179921, 4359842, 10899605, 21799210, 28338973, 56677946, 141694865, 154774391, 283389730, 309548782, 773871955, 1547743910, 2012067083, 4024134166, 10060335415, 20120670830]

約数ペア:

[(1, 20120670830), (2, 10060335415), (5, 4024134166), (10, 2012067083), (13, 1547743910), (26, 773871955), (65, 309548782), (71, 283389730), (130, 154774391), (142, 141694865), (355, 56677946), (710, 28338973), (923, 21799210), (1846, 10899605), (4615, 4359842), (9230, 2179921)]