20715287415

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{554849}}^1$

素因数の和:555007

約数の個数: 32

約数和(自身を含む): 35155296000

約数和(自身を除く): 14440008585

約数列:

[1, 3, 5, 15, 19, 57, 95, 131, 285, 393, 655, 1965, 2489, 7467, 12445, 37335, 554849, 1664547, 2774245, 8322735, 10542131, 31626393, 52710655, 72685219, 158131965, 218055657, 363426095, 1090278285, 1381019161, 4143057483, 6905095805, 20715287415]

約数ペア:

[(1, 20715287415), (3, 6905095805), (5, 4143057483), (15, 1381019161), (19, 1090278285), (57, 363426095), (95, 218055657), (131, 158131965), (285, 72685219), (393, 52710655), (655, 31626393), (1965, 10542131), (2489, 8322735), (7467, 2774245), (12445, 1664547), (37335, 554849)]