20265778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9391}}^1$

素因数の和:9489

約数の個数: 16

約数和(自身を含む): 33134976

約数和(自身を除く): 12869198

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 9391, 18782, 122083, 244166, 779453, 1558906, 10132889, 20265778]

約数ペア:

[(1, 20265778), (2, 10132889), (13, 1558906), (26, 779453), (83, 244166), (166, 122083), (1079, 18782), (2158, 9391)]