20001237

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3257}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 28149120

約数和(自身を除く): 8147883

約数列:

[1, 3, 23, 69, 89, 267, 2047, 3257, 6141, 9771, 74911, 224733, 289873, 869619, 6667079, 20001237]

約数ペア:

[(1, 20001237), (3, 6667079), (23, 869619), (69, 289873), (89, 224733), (267, 74911), (2047, 9771), (3257, 6141)]