20240857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 25022592

約数和(自身を除く): 4781735

約数列:

[1, 7, 13, 91, 347, 641, 2429, 4487, 4511, 8333, 31577, 58331, 222427, 1556989, 2891551, 20240857]

約数ペア:

[(1, 20240857), (7, 2891551), (13, 1556989), (91, 222427), (347, 58331), (641, 31577), (2429, 8333), (4487, 4511)]