20744699450

素因数分解:

$2^1\times 5^2\times {\mathrm{1031}}^1\times {\mathrm{402419}}^1$

素因数の和:403462

約数の個数: 24

約数和(自身を含む): 38622661920

約数和(自身を除く): 17877962470

約数列:

[1, 2, 5, 10, 25, 50, 1031, 2062, 5155, 10310, 25775, 51550, 402419, 804838, 2012095, 4024190, 10060475, 20120950, 414893989, 829787978, 2074469945, 4148939890, 10372349725, 20744699450]

約数ペア:

[(1, 20744699450), (2, 10372349725), (5, 4148939890), (10, 2074469945), (25, 829787978), (50, 414893989), (1031, 20120950), (2062, 10060475), (5155, 4024190), (10310, 2012095), (25775, 804838), (51550, 402419)]