20637165

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44381}}^1$

素因数の和:44420

約数の個数: 16

約数和(自身を含む): 34085376

約数和(自身を除く): 13448211

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44381, 133143, 221905, 665715, 1375811, 4127433, 6879055, 20637165]

約数ペア:

[(1, 20637165), (3, 6879055), (5, 4127433), (15, 1375811), (31, 665715), (93, 221905), (155, 133143), (465, 44381)]