20651330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6277}}^1$

素因数の和:6338

約数の個数: 32

約数和(自身を含む): 43393536

約数和(自身を除く): 22742206

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6277, 12554, 31385, 43939, 62770, 87878, 219695, 295019, 439390, 590038, 1475095, 2065133, 2950190, 4130266, 10325665, 20651330]

約数ペア:

[(1, 20651330), (2, 10325665), (5, 4130266), (7, 2950190), (10, 2065133), (14, 1475095), (35, 590038), (47, 439390), (70, 295019), (94, 219695), (235, 87878), (329, 62770), (470, 43939), (658, 31385), (1645, 12554), (3290, 6277)]