20147533917

素因数分解:

$3^1\times 7^1\times {\mathrm{9421}}^1\times {\mathrm{101837}}^1$

素因数の和:111268

約数の個数: 16

約数和(自身を含む): 30704564352

約数和(自身を除く): 10557030435

約数列:

[1, 3, 7, 21, 9421, 28263, 65947, 101837, 197841, 305511, 712859, 2138577, 959406377, 2878219131, 6715844639, 20147533917]

約数ペア:

[(1, 20147533917), (3, 6715844639), (7, 2878219131), (21, 959406377), (9421, 2138577), (28263, 712859), (65947, 305511), (101837, 197841)]