20872577

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 23396352

約数和(自身を除く): 2523775

約数列:

[1, 11, 67, 127, 223, 737, 1397, 2453, 8509, 14941, 28321, 93599, 164351, 311531, 1897507, 20872577]

約数ペア:

[(1, 20872577), (11, 1897507), (67, 311531), (127, 164351), (223, 93599), (737, 28321), (1397, 14941), (2453, 8509)]