20046675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^2$

素因数の和:129

約数の個数: 54

約数和(自身を含む): 37222444

約数和(自身を除く): 17175769

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 121, 141, 165, 235, 275, 363, 517, 605, 705, 825, 1175, 1551, 1815, 2209, 2585, 3025, 3525, 5687, 6627, 7755, 9075, 11045, 12925, 17061, 24299, 28435, 33135, 38775, 55225, 72897, 85305, 121495, 142175, 165675, 267289, 364485, 426525, 607475, 801867, 1336445, 1822425, 4009335, 6682225, 20046675]

約数ペア:

[(1, 20046675), (3, 6682225), (5, 4009335), (11, 1822425), (15, 1336445), (25, 801867), (33, 607475), (47, 426525), (55, 364485), (75, 267289), (121, 165675), (141, 142175), (165, 121495), (235, 85305), (275, 72897), (363, 55225), (517, 38775), (605, 33135), (705, 28435), (825, 24299), (1175, 17061), (1551, 12925), (1815, 11045), (2209, 9075), (2585, 7755), (3025, 6627), (3525, 5687)]