2021484820

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{234511}}^1$

素因数の和:234951

約数の個数: 24

約数和(自身を含む): 4254985728

約数和(自身を除く): 2233500908

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 234511, 469022, 938044, 1172555, 2345110, 4690220, 101074241, 202148482, 404296964, 505371205, 1010742410, 2021484820]

約数ペア:

[(1, 2021484820), (2, 1010742410), (4, 505371205), (5, 404296964), (10, 202148482), (20, 101074241), (431, 4690220), (862, 2345110), (1724, 1172555), (2155, 938044), (4310, 469022), (8620, 234511)]