20277220

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3769}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 42751800

約数和(自身を除く): 22474580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3769, 5380, 7538, 15076, 18845, 37690, 75380, 1013861, 2027722, 4055444, 5069305, 10138610, 20277220]

約数ペア:

[(1, 20277220), (2, 10138610), (4, 5069305), (5, 4055444), (10, 2027722), (20, 1013861), (269, 75380), (538, 37690), (1076, 18845), (1345, 15076), (2690, 7538), (3769, 5380)]