20739708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 57972096

約数和(自身を除く): 37232388

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 83, 99, 132, 166, 198, 249, 332, 396, 498, 631, 747, 913, 996, 1262, 1494, 1826, 1893, 2524, 2739, 2988, 3652, 3786, 5478, 5679, 6941, 7572, 8217, 10956, 11358, 13882, 16434, 20823, 22716, 27764, 32868, 41646, 52373, 62469, 83292, 104746, 124938, 157119, 209492, 249876, 314238, 471357, 576103, 628476, 942714, 1152206, 1728309, 1885428, 2304412, 3456618, 5184927, 6913236, 10369854, 20739708]

約数ペア:

[(1, 20739708), (2, 10369854), (3, 6913236), (4, 5184927), (6, 3456618), (9, 2304412), (11, 1885428), (12, 1728309), (18, 1152206), (22, 942714), (33, 628476), (36, 576103), (44, 471357), (66, 314238), (83, 249876), (99, 209492), (132, 157119), (166, 124938), (198, 104746), (249, 83292), (332, 62469), (396, 52373), (498, 41646), (631, 32868), (747, 27764), (913, 22716), (996, 20823), (1262, 16434), (1494, 13882), (1826, 11358), (1893, 10956), (2524, 8217), (2739, 7572), (2988, 6941), (3652, 5679), (3786, 5478)]