20655185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5303}}^1$

素因数の和:5368

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 6076975

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5303, 26515, 100757, 217423, 503785, 1087115, 4131037, 20655185]

約数ペア:

[(1, 20655185), (5, 4131037), (19, 1087115), (41, 503785), (95, 217423), (205, 100757), (779, 26515), (3895, 5303)]