20185540221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87383291}}^1$

素因数の和:87383312

約数の個数: 16

約数和(自身を含む): 33555184128

約数和(自身を除く): 13369643907

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87383291, 262149873, 611683037, 961216201, 1835049111, 2883648603, 6728513407, 20185540221]

約数ペア:

[(1, 20185540221), (3, 6728513407), (7, 2883648603), (11, 1835049111), (21, 961216201), (33, 611683037), (77, 262149873), (231, 87383291)]