20118350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 43711488

約数和(自身を除く): 23593138

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1223, 1645, 2350, 2446, 3290, 6115, 8225, 8561, 12230, 16450, 17122, 30575, 42805, 57481, 61150, 85610, 114962, 214025, 287405, 402367, 428050, 574810, 804734, 1437025, 2011835, 2874050, 4023670, 10059175, 20118350]

約数ペア:

[(1, 20118350), (2, 10059175), (5, 4023670), (7, 2874050), (10, 2011835), (14, 1437025), (25, 804734), (35, 574810), (47, 428050), (50, 402367), (70, 287405), (94, 214025), (175, 114962), (235, 85610), (329, 61150), (350, 57481), (470, 42805), (658, 30575), (1175, 17122), (1223, 16450), (1645, 12230), (2350, 8561), (2446, 8225), (3290, 6115)]