2149182020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{784373}}^1$

素因数の和:784519

約数の個数: 24

約数和(自身を含む): 4546231704

約数和(自身を除く): 2397049684

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 784373, 1568746, 3137492, 3921865, 7843730, 15687460, 107459101, 214918202, 429836404, 537295505, 1074591010, 2149182020]

約数ペア:

[(1, 2149182020), (2, 1074591010), (4, 537295505), (5, 429836404), (10, 214918202), (20, 107459101), (137, 15687460), (274, 7843730), (548, 3921865), (685, 3137492), (1370, 1568746), (2740, 784373)]