20113706875

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{3547}}^1$

素因数の和:3821

約数の個数: 40

約数和(自身を含む): 25847776064

約数和(自身を除く): 5734069189

約数列:

[1, 5, 25, 43, 125, 211, 215, 625, 1055, 1075, 3547, 5275, 5375, 9073, 17735, 26375, 26875, 45365, 88675, 131875, 152521, 226825, 443375, 748417, 762605, 1134125, 2216875, 3742085, 3813025, 5670625, 18710425, 19065125, 32181931, 93552125, 95325625, 160909655, 467760625, 804548275, 4022741375, 20113706875]

約数ペア:

[(1, 20113706875), (5, 4022741375), (25, 804548275), (43, 467760625), (125, 160909655), (211, 95325625), (215, 93552125), (625, 32181931), (1055, 19065125), (1075, 18710425), (3547, 5670625), (5275, 3813025), (5375, 3742085), (9073, 2216875), (17735, 1134125), (26375, 762605), (26875, 748417), (45365, 443375), (88675, 226825), (131875, 152521)]