20657202675

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{27673}}^1$

素因数の和:27992

約数の個数: 48

約数和(自身を含む): 35207969760

約数和(自身を除く): 14550767085

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 269, 555, 807, 925, 1345, 2775, 4035, 6725, 9953, 20175, 27673, 29859, 49765, 83019, 138365, 149295, 248825, 415095, 691825, 746475, 1023901, 2075475, 3071703, 5119505, 7444037, 15358515, 22332111, 25597525, 37220185, 76792575, 111660555, 186100925, 275429369, 558302775, 826288107, 1377146845, 4131440535, 6885734225, 20657202675]

約数ペア:

[(1, 20657202675), (3, 6885734225), (5, 4131440535), (15, 1377146845), (25, 826288107), (37, 558302775), (75, 275429369), (111, 186100925), (185, 111660555), (269, 76792575), (555, 37220185), (807, 25597525), (925, 22332111), (1345, 15358515), (2775, 7444037), (4035, 5119505), (6725, 3071703), (9953, 2075475), (20175, 1023901), (27673, 746475), (29859, 691825), (49765, 415095), (83019, 248825), (138365, 149295)]