20519025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5821}}^1$

素因数の和:5881

約数の個数: 24

約数和(自身を含む): 34652544

約数和(自身を除く): 14133519

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5821, 17463, 29105, 87315, 145525, 273587, 436575, 820761, 1367935, 4103805, 6839675, 20519025]

約数ペア:

[(1, 20519025), (3, 6839675), (5, 4103805), (15, 1367935), (25, 820761), (47, 436575), (75, 273587), (141, 145525), (235, 87315), (705, 29105), (1175, 17463), (3525, 5821)]