20174324835

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{638327}}^1$

素因数の和:638392

約数の個数: 48

約数和(自身を含む): 38422238976

約数和(自身を除く): 18247914141

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 4515, 6321, 10535, 31605, 638327, 1914981, 3191635, 4468289, 9574905, 13404867, 22341445, 27448061, 31278023, 67024335, 82344183, 93834069, 137240305, 156390115, 192136427, 411720915, 469170345, 576409281, 960682135, 1344954989, 2882046405, 4034864967, 6724774945, 20174324835]

約数ペア:

[(1, 20174324835), (3, 6724774945), (5, 4034864967), (7, 2882046405), (15, 1344954989), (21, 960682135), (35, 576409281), (43, 469170345), (49, 411720915), (105, 192136427), (129, 156390115), (147, 137240305), (215, 93834069), (245, 82344183), (301, 67024335), (645, 31278023), (735, 27448061), (903, 22341445), (1505, 13404867), (2107, 9574905), (4515, 4468289), (6321, 3191635), (10535, 1914981), (31605, 638327)]