20938318

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 32184000

約数和(自身を除く): 11245682

約数列:

[1, 2, 79, 89, 158, 178, 1489, 2978, 7031, 14062, 117631, 132521, 235262, 265042, 10469159, 20938318]

約数ペア:

[(1, 20938318), (2, 10469159), (79, 265042), (89, 235262), (158, 132521), (178, 117631), (1489, 14062), (2978, 7031)]