20174791690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{10211}}^1$

素因数の和:10399

約数の個数: 64

約数和(自身を含む): 38292549120

約数和(自身を除く): 18117757430

約数列:

[1, 2, 5, 10, 41, 61, 79, 82, 122, 158, 205, 305, 395, 410, 610, 790, 2501, 3239, 4819, 5002, 6478, 9638, 10211, 12505, 16195, 20422, 24095, 25010, 32390, 48190, 51055, 102110, 197579, 395158, 418651, 622871, 806669, 837302, 987895, 1245742, 1613338, 1975790, 2093255, 3114355, 4033345, 4186510, 6228710, 8066690, 25537711, 33073429, 49206809, 51075422, 66146858, 98413618, 127688555, 165367145, 246034045, 255377110, 330734290, 492068090, 2017479169, 4034958338, 10087395845, 20174791690]

約数ペア:

[(1, 20174791690), (2, 10087395845), (5, 4034958338), (10, 2017479169), (41, 492068090), (61, 330734290), (79, 255377110), (82, 246034045), (122, 165367145), (158, 127688555), (205, 98413618), (305, 66146858), (395, 51075422), (410, 49206809), (610, 33073429), (790, 25537711), (2501, 8066690), (3239, 6228710), (4819, 4186510), (5002, 4033345), (6478, 3114355), (9638, 2093255), (10211, 1975790), (12505, 1613338), (16195, 1245742), (20422, 987895), (24095, 837302), (25010, 806669), (32390, 622871), (48190, 418651), (51055, 395158), (102110, 197579)]