20737552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 27473648

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 29, 34, 44, 58, 68, 88, 116, 136, 176, 187, 232, 239, 272, 319, 374, 464, 478, 493, 638, 748, 956, 986, 1276, 1496, 1912, 1972, 2552, 2629, 2992, 3824, 3944, 4063, 5104, 5258, 5423, 6931, 7888, 8126, 10516, 10846, 13862, 16252, 21032, 21692, 27724, 32504, 42064, 43384, 44693, 55448, 65008, 76241, 86768, 89386, 110896, 117827, 152482, 178772, 235654, 304964, 357544, 471308, 609928, 715088, 942616, 1219856, 1296097, 1885232, 2592194, 5184388, 10368776, 20737552]

約数ペア:

[(1, 20737552), (2, 10368776), (4, 5184388), (8, 2592194), (11, 1885232), (16, 1296097), (17, 1219856), (22, 942616), (29, 715088), (34, 609928), (44, 471308), (58, 357544), (68, 304964), (88, 235654), (116, 178772), (136, 152482), (176, 117827), (187, 110896), (232, 89386), (239, 86768), (272, 76241), (319, 65008), (374, 55448), (464, 44693), (478, 43384), (493, 42064), (638, 32504), (748, 27724), (956, 21692), (986, 21032), (1276, 16252), (1496, 13862), (1912, 10846), (1972, 10516), (2552, 8126), (2629, 7888), (2992, 6931), (3824, 5423), (3944, 5258), (4063, 5104)]