20407053

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 28026432

約数和(自身を除く): 7619379

約数列:

[1, 3, 41, 123, 251, 661, 753, 1983, 10291, 27101, 30873, 81303, 165911, 497733, 6802351, 20407053]

約数ペア:

[(1, 20407053), (3, 6802351), (41, 497733), (123, 165911), (251, 81303), (661, 30873), (753, 27101), (1983, 10291)]