20307366921

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{358591}}^1$

素因数の和:359076

約数の個数: 16

約数和(自身を含む): 27769364480

約数和(自身を除く): 7461997559

約数列:

[1, 3, 43, 129, 439, 1317, 18877, 56631, 358591, 1075773, 15419413, 46258239, 157421449, 472264347, 6769122307, 20307366921]

約数ペア:

[(1, 20307366921), (3, 6769122307), (43, 472264347), (129, 157421449), (439, 46258239), (1317, 15419413), (18877, 1075773), (56631, 358591)]