20591499

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3947}}^1$

素因数の和:4034

約数の個数: 16

約数和(自身を含む): 28804608

約数和(自身を除く): 8213109

約数列:

[1, 3, 37, 47, 111, 141, 1739, 3947, 5217, 11841, 146039, 185509, 438117, 556527, 6863833, 20591499]

約数ペア:

[(1, 20591499), (3, 6863833), (37, 556527), (47, 438117), (111, 185509), (141, 146039), (1739, 11841), (3947, 5217)]