20219554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3917}}^1$

素因数の和:4037

約数の個数: 16

約数和(自身を含む): 31735800

約数和(自身を除く): 11516246

約数列:

[1, 2, 29, 58, 89, 178, 2581, 3917, 5162, 7834, 113593, 227186, 348613, 697226, 10109777, 20219554]

約数ペア:

[(1, 20219554), (2, 10109777), (29, 697226), (58, 348613), (89, 227186), (178, 113593), (2581, 7834), (3917, 5162)]