20426280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24317}}^1$

素因数の和:24338

約数の個数: 64

約数和(自身を含む): 70035840

約数和(自身を除く): 49609560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24317, 48634, 72951, 97268, 121585, 145902, 170219, 194536, 243170, 291804, 340438, 364755, 486340, 510657, 583608, 680876, 729510, 851095, 972680, 1021314, 1361752, 1459020, 1702190, 2042628, 2553285, 2918040, 3404380, 4085256, 5106570, 6808760, 10213140, 20426280]

約数ペア:

[(1, 20426280), (2, 10213140), (3, 6808760), (4, 5106570), (5, 4085256), (6, 3404380), (7, 2918040), (8, 2553285), (10, 2042628), (12, 1702190), (14, 1459020), (15, 1361752), (20, 1021314), (21, 972680), (24, 851095), (28, 729510), (30, 680876), (35, 583608), (40, 510657), (42, 486340), (56, 364755), (60, 340438), (70, 291804), (84, 243170), (105, 194536), (120, 170219), (140, 145902), (168, 121585), (210, 97268), (280, 72951), (420, 48634), (840, 24317)]