20906345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3671}}^1$

素因数の和:3760

約数の個数: 16

約数和(自身を含む): 26967168

約数和(自身を除く): 6060823

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3671, 5695, 18355, 62407, 245957, 312035, 1229785, 4181269, 20906345]

約数ペア:

[(1, 20906345), (5, 4181269), (17, 1229785), (67, 312035), (85, 245957), (335, 62407), (1139, 18355), (3671, 5695)]