20947218

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{39227}}^1$

素因数の和:39321

約数の個数: 16

約数和(自身を含む): 42366240

約数和(自身を除く): 21419022

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 39227, 78454, 117681, 235362, 3491203, 6982406, 10473609, 20947218]

約数ペア:

[(1, 20947218), (2, 10473609), (3, 6982406), (6, 3491203), (89, 235362), (178, 117681), (267, 78454), (534, 39227)]