20438275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5717}}^1$

素因数の和:5751

約数の個数: 24

約数和(自身を含む): 29779344

約数和(自身を除く): 9341069

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5717, 28585, 62887, 74321, 142925, 314435, 371605, 817531, 1572175, 1858025, 4087655, 20438275]

約数ペア:

[(1, 20438275), (5, 4087655), (11, 1858025), (13, 1572175), (25, 817531), (55, 371605), (65, 314435), (143, 142925), (275, 74321), (325, 62887), (715, 28585), (3575, 5717)]