20114320

素因数分解:

$2^4\times 5^1\times {\mathrm{251429}}^1$

素因数の和:251442

約数の個数: 20

約数和(自身を含む): 46765980

約数和(自身を除く): 26651660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251429, 502858, 1005716, 1257145, 2011432, 2514290, 4022864, 5028580, 10057160, 20114320]

約数ペア:

[(1, 20114320), (2, 10057160), (4, 5028580), (5, 4022864), (8, 2514290), (10, 2011432), (16, 1257145), (20, 1005716), (40, 502858), (80, 251429)]