20219976

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 65894400

約数和(自身を除く): 45674424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 84, 86, 108, 126, 129, 168, 172, 189, 216, 252, 258, 301, 311, 344, 378, 387, 504, 516, 602, 622, 756, 774, 903, 933, 1032, 1161, 1204, 1244, 1512, 1548, 1806, 1866, 2177, 2322, 2408, 2488, 2709, 2799, 3096, 3612, 3732, 4354, 4644, 5418, 5598, 6531, 7224, 7464, 8127, 8397, 8708, 9288, 10836, 11196, 13062, 13373, 16254, 16794, 17416, 19593, 21672, 22392, 26124, 26746, 32508, 33588, 39186, 40119, 52248, 53492, 58779, 65016, 67176, 78372, 80238, 93611, 106984, 117558, 120357, 156744, 160476, 187222, 235116, 240714, 280833, 320952, 361071, 374444, 470232, 481428, 561666, 722142, 748888, 842499, 962856, 1123332, 1444284, 1684998, 2246664, 2527497, 2888568, 3369996, 5054994, 6739992, 10109988, 20219976]

約数ペア:

[(1, 20219976), (2, 10109988), (3, 6739992), (4, 5054994), (6, 3369996), (7, 2888568), (8, 2527497), (9, 2246664), (12, 1684998), (14, 1444284), (18, 1123332), (21, 962856), (24, 842499), (27, 748888), (28, 722142), (36, 561666), (42, 481428), (43, 470232), (54, 374444), (56, 361071), (63, 320952), (72, 280833), (84, 240714), (86, 235116), (108, 187222), (126, 160476), (129, 156744), (168, 120357), (172, 117558), (189, 106984), (216, 93611), (252, 80238), (258, 78372), (301, 67176), (311, 65016), (344, 58779), (378, 53492), (387, 52248), (504, 40119), (516, 39186), (602, 33588), (622, 32508), (756, 26746), (774, 26124), (903, 22392), (933, 21672), (1032, 19593), (1161, 17416), (1204, 16794), (1244, 16254), (1512, 13373), (1548, 13062), (1806, 11196), (1866, 10836), (2177, 9288), (2322, 8708), (2408, 8397), (2488, 8127), (2709, 7464), (2799, 7224), (3096, 6531), (3612, 5598), (3732, 5418), (4354, 4644)]