20656005

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33587}}^1$

素因数の和:33636

約数の個数: 16

約数和(自身を含む): 33856704

約数和(自身を除く): 13200699

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33587, 100761, 167935, 503805, 1377067, 4131201, 6885335, 20656005]

約数ペア:

[(1, 20656005), (3, 6885335), (5, 4131201), (15, 1377067), (41, 503805), (123, 167935), (205, 100761), (615, 33587)]