20880672

素因数分解:

$2^5\times 3^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 55137600

約数和(自身を除く): 34256928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 199, 398, 597, 796, 1093, 1194, 1592, 2186, 2388, 3184, 3279, 4372, 4776, 6368, 6558, 8744, 9552, 13116, 17488, 19104, 26232, 34976, 52464, 104928, 217507, 435014, 652521, 870028, 1305042, 1740056, 2610084, 3480112, 5220168, 6960224, 10440336, 20880672]

約数ペア:

[(1, 20880672), (2, 10440336), (3, 6960224), (4, 5220168), (6, 3480112), (8, 2610084), (12, 1740056), (16, 1305042), (24, 870028), (32, 652521), (48, 435014), (96, 217507), (199, 104928), (398, 52464), (597, 34976), (796, 26232), (1093, 19104), (1194, 17488), (1592, 13116), (2186, 9552), (2388, 8744), (3184, 6558), (3279, 6368), (4372, 4776)]