20293995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 35297280

約数和(自身を除く): 15003285

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2297, 2945, 6891, 8835, 11485, 34455, 43643, 71207, 130929, 213621, 218215, 356035, 654645, 1068105, 1352933, 4058799, 6764665, 20293995]

約数ペア:

[(1, 20293995), (3, 6764665), (5, 4058799), (15, 1352933), (19, 1068105), (31, 654645), (57, 356035), (93, 218215), (95, 213621), (155, 130929), (285, 71207), (465, 43643), (589, 34455), (1767, 11485), (2297, 8835), (2945, 6891)]