20164028025

素因数分解:

$3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{487}}^1\times {\mathrm{1993}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 33543737984

約数和(自身を除く): 13379709959

約数列:

[1, 3, 5, 15, 25, 75, 277, 487, 831, 1385, 1461, 1993, 2435, 4155, 5979, 6925, 7305, 9965, 12175, 20775, 29895, 36525, 49825, 134899, 149475, 404697, 552061, 674495, 970591, 1656183, 2023485, 2760305, 2911773, 3372475, 4852955, 8280915, 10117425, 13801525, 14558865, 24264775, 41404575, 72794325, 268853707, 806561121, 1344268535, 4032805605, 6721342675, 20164028025]

約数ペア:

[(1, 20164028025), (3, 6721342675), (5, 4032805605), (15, 1344268535), (25, 806561121), (75, 268853707), (277, 72794325), (487, 41404575), (831, 24264775), (1385, 14558865), (1461, 13801525), (1993, 10117425), (2435, 8280915), (4155, 4852955), (5979, 3372475), (6925, 2911773), (7305, 2760305), (9965, 2023485), (12175, 1656183), (20775, 970591), (29895, 674495), (36525, 552061), (49825, 404697), (134899, 149475)]