20761165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7932

約数の個数: 16

約数和(自身を含む): 27233280

約数和(自身を除く): 6472115

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7879, 39395, 133943, 244249, 669715, 1221245, 4152233, 20761165]

約数ペア:

[(1, 20761165), (5, 4152233), (17, 1221245), (31, 669715), (85, 244249), (155, 133943), (527, 39395), (2635, 7879)]