20167389921

素因数分解:

$3^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{627271}}^1$

素因数の和:628812

約数の個数: 16

約数和(自身を含む): 30751382528

約数和(自身を除く): 10583992607

約数列:

[1, 3, 7, 21, 1531, 4593, 10717, 32151, 627271, 1881813, 4390897, 13172691, 960351901, 2881055703, 6722463307, 20167389921]

約数ペア:

[(1, 20167389921), (3, 6722463307), (7, 2881055703), (21, 960351901), (1531, 13172691), (4593, 4390897), (10717, 1881813), (32151, 627271)]