20578210

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6703}}^1$

素因数の和:7017

約数の個数: 16

約数和(自身を含む): 37166976

約数和(自身を除く): 16588766

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 6703, 13406, 33515, 67030, 2057821, 4115642, 10289105, 20578210]

約数ペア:

[(1, 20578210), (2, 10289105), (5, 4115642), (10, 2057821), (307, 67030), (614, 33515), (1535, 13406), (3070, 6703)]