20071372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3343}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 37452800

約数和(自身を除く): 17381428

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3343, 6004, 6686, 13372, 63517, 127034, 254068, 264097, 528194, 1056388, 5017843, 10035686, 20071372]

約数ペア:

[(1, 20071372), (2, 10035686), (4, 5017843), (19, 1056388), (38, 528194), (76, 264097), (79, 254068), (158, 127034), (316, 63517), (1501, 13372), (3002, 6686), (3343, 6004)]