20299300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 51496704

約数和(自身を除く): 31197404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 617, 658, 700, 940, 1175, 1234, 1316, 1645, 2350, 2468, 3085, 3290, 4319, 4700, 6170, 6580, 8225, 8638, 12340, 15425, 16450, 17276, 21595, 28999, 30850, 32900, 43190, 57998, 61700, 86380, 107975, 115996, 144995, 202993, 215950, 289990, 405986, 431900, 579980, 724975, 811972, 1014965, 1449950, 2029930, 2899900, 4059860, 5074825, 10149650, 20299300]

約数ペア:

[(1, 20299300), (2, 10149650), (4, 5074825), (5, 4059860), (7, 2899900), (10, 2029930), (14, 1449950), (20, 1014965), (25, 811972), (28, 724975), (35, 579980), (47, 431900), (50, 405986), (70, 289990), (94, 215950), (100, 202993), (140, 144995), (175, 115996), (188, 107975), (235, 86380), (329, 61700), (350, 57998), (470, 43190), (617, 32900), (658, 30850), (700, 28999), (940, 21595), (1175, 17276), (1234, 16450), (1316, 15425), (1645, 12340), (2350, 8638), (2468, 8225), (3085, 6580), (3290, 6170), (4319, 4700)]