20396538

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2593}}^1$

素因数の和:2643

約数の個数: 48

約数和(自身を含む): 48559680

約数和(自身を除く): 28163142

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2593, 2622, 3933, 5186, 7779, 7866, 15558, 23337, 46674, 49267, 59639, 98534, 119278, 147801, 178917, 295602, 357834, 443403, 536751, 886806, 1073502, 1133141, 2266282, 3399423, 6798846, 10198269, 20396538]

約数ペア:

[(1, 20396538), (2, 10198269), (3, 6798846), (6, 3399423), (9, 2266282), (18, 1133141), (19, 1073502), (23, 886806), (38, 536751), (46, 443403), (57, 357834), (69, 295602), (114, 178917), (138, 147801), (171, 119278), (207, 98534), (342, 59639), (414, 49267), (437, 46674), (874, 23337), (1311, 15558), (2593, 7866), (2622, 7779), (3933, 5186)]