20880026

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2503}}^1$

素因数の和:2645

約数の個数: 16

約数和(自身を含む): 32391744

約数和(自身を除く): 11511718

約数列:

[1, 2, 43, 86, 97, 194, 2503, 4171, 5006, 8342, 107629, 215258, 242791, 485582, 10440013, 20880026]

約数ペア:

[(1, 20880026), (2, 10440013), (43, 485582), (86, 242791), (97, 215258), (194, 107629), (2503, 8342), (4171, 5006)]