20685672

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13681}}^1$

素因数の和:13703

約数の個数: 64

約数和(自身を含む): 65673600

約数和(自身を除く): 44987928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13681, 27362, 41043, 54724, 82086, 95767, 109448, 123129, 164172, 191534, 246258, 287301, 328344, 369387, 383068, 492516, 574602, 738774, 766136, 861903, 985032, 1149204, 1477548, 1723806, 2298408, 2585709, 2955096, 3447612, 5171418, 6895224, 10342836, 20685672]

約数ペア:

[(1, 20685672), (2, 10342836), (3, 6895224), (4, 5171418), (6, 3447612), (7, 2955096), (8, 2585709), (9, 2298408), (12, 1723806), (14, 1477548), (18, 1149204), (21, 985032), (24, 861903), (27, 766136), (28, 738774), (36, 574602), (42, 492516), (54, 383068), (56, 369387), (63, 328344), (72, 287301), (84, 246258), (108, 191534), (126, 164172), (168, 123129), (189, 109448), (216, 95767), (252, 82086), (378, 54724), (504, 41043), (756, 27362), (1512, 13681)]