20120851916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{45263}}^1\times {\mathrm{10103}}^1$

素因数の和:55381

約数の個数: 24

約数和(自身を含む): 38417186304

約数和(自身を除く): 18296334388

約数列:

[1, 2, 4, 11, 22, 44, 10103, 20206, 40412, 45263, 90526, 111133, 181052, 222266, 444532, 497893, 995786, 1991572, 457292089, 914584178, 1829168356, 5030212979, 10060425958, 20120851916]

約数ペア:

[(1, 20120851916), (2, 10060425958), (4, 5030212979), (11, 1829168356), (22, 914584178), (44, 457292089), (10103, 1991572), (20206, 995786), (40412, 497893), (45263, 444532), (90526, 222266), (111133, 181052)]