20305155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3411

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15821565

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3359, 6045, 10077, 16795, 43667, 50385, 104129, 131001, 218335, 312387, 520645, 655005, 1353677, 1561935, 4061031, 6768385, 20305155]

約数ペア:

[(1, 20305155), (3, 6768385), (5, 4061031), (13, 1561935), (15, 1353677), (31, 655005), (39, 520645), (65, 312387), (93, 218335), (155, 131001), (195, 104129), (403, 50385), (465, 43667), (1209, 16795), (2015, 10077), (3359, 6045)]