20921909

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 22457088

約数和(自身を除く): 1535179

約数列:

[1, 37, 47, 53, 227, 1739, 1961, 2491, 8399, 10669, 12031, 92167, 394753, 445147, 565457, 20921909]

約数ペア:

[(1, 20921909), (37, 565457), (47, 445147), (53, 394753), (227, 92167), (1739, 12031), (1961, 10669), (2491, 8399)]