20783345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{853}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 27300672

約数和(自身を除く): 6517327

約数列:

[1, 5, 11, 55, 443, 853, 2215, 4265, 4873, 9383, 24365, 46915, 377879, 1889395, 4156669, 20783345]

約数ペア:

[(1, 20783345), (5, 4156669), (11, 1889395), (55, 377879), (443, 46915), (853, 24365), (2215, 9383), (4265, 4873)]