20723145

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37339}}^1$

素因数の和:37384

約数の個数: 16

約数和(自身を含む): 34054080

約数和(自身を除く): 13330935

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37339, 112017, 186695, 560085, 1381543, 4144629, 6907715, 20723145]

約数ペア:

[(1, 20723145), (3, 6907715), (5, 4144629), (15, 1381543), (37, 560085), (111, 186695), (185, 112017), (555, 37339)]