20648666

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8123}}^1$

素因数の和:8197

約数の個数: 16

約数和(自身を含む): 32755968

約数和(自身を除く): 12107302

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8123, 16246, 251813, 333043, 503626, 666086, 10324333, 20648666]

約数ペア:

[(1, 20648666), (2, 10324333), (31, 666086), (41, 503626), (62, 333043), (82, 251813), (1271, 16246), (2542, 8123)]