20332550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 45249336

約数和(自身を除く): 24916786

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 49, 50, 70, 86, 98, 175, 193, 215, 245, 301, 350, 386, 430, 490, 602, 965, 1075, 1225, 1351, 1505, 1930, 2107, 2150, 2450, 2702, 3010, 4214, 4825, 6755, 7525, 8299, 9457, 9650, 10535, 13510, 15050, 16598, 18914, 21070, 33775, 41495, 47285, 52675, 58093, 67550, 82990, 94570, 105350, 116186, 207475, 236425, 290465, 406651, 414950, 472850, 580930, 813302, 1452325, 2033255, 2904650, 4066510, 10166275, 20332550]

約数ペア:

[(1, 20332550), (2, 10166275), (5, 4066510), (7, 2904650), (10, 2033255), (14, 1452325), (25, 813302), (35, 580930), (43, 472850), (49, 414950), (50, 406651), (70, 290465), (86, 236425), (98, 207475), (175, 116186), (193, 105350), (215, 94570), (245, 82990), (301, 67550), (350, 58093), (386, 52675), (430, 47285), (490, 41495), (602, 33775), (965, 21070), (1075, 18914), (1225, 16598), (1351, 15050), (1505, 13510), (1930, 10535), (2107, 9650), (2150, 9457), (2450, 8299), (2702, 7525), (3010, 6755), (4214, 4825)]