20188025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5647}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 29414784

約数和(自身を除く): 9226759

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5647, 28235, 62117, 73411, 141175, 310585, 367055, 807521, 1552925, 1835275, 4037605, 20188025]

約数ペア:

[(1, 20188025), (5, 4037605), (11, 1835275), (13, 1552925), (25, 807521), (55, 367055), (65, 310585), (143, 141175), (275, 73411), (325, 62117), (715, 28235), (3575, 5647)]