20980443

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17183}}^1$

素因数の和:17234

約数の個数: 16

約数和(自身を含む): 31343616

約数和(自身を除く): 10363173

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17183, 51549, 189013, 567039, 635771, 1907313, 6993481, 20980443]

約数ペア:

[(1, 20980443), (3, 6993481), (11, 1907313), (33, 635771), (37, 567039), (111, 189013), (407, 51549), (1221, 17183)]