20584144

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 50889600

約数和(自身を除く): 30305456

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 569, 646, 952, 1064, 1138, 1292, 1904, 2128, 2261, 2276, 2584, 3983, 4522, 4552, 5168, 7966, 9044, 9104, 9673, 10811, 15932, 18088, 19346, 21622, 31864, 36176, 38692, 43244, 63728, 67711, 75677, 77384, 86488, 135422, 151354, 154768, 172976, 183787, 270844, 302708, 367574, 541688, 605416, 735148, 1083376, 1210832, 1286509, 1470296, 2573018, 2940592, 5146036, 10292072, 20584144]

約数ペア:

[(1, 20584144), (2, 10292072), (4, 5146036), (7, 2940592), (8, 2573018), (14, 1470296), (16, 1286509), (17, 1210832), (19, 1083376), (28, 735148), (34, 605416), (38, 541688), (56, 367574), (68, 302708), (76, 270844), (112, 183787), (119, 172976), (133, 154768), (136, 151354), (152, 135422), (238, 86488), (266, 77384), (272, 75677), (304, 67711), (323, 63728), (476, 43244), (532, 38692), (569, 36176), (646, 31864), (952, 21622), (1064, 19346), (1138, 18088), (1292, 15932), (1904, 10811), (2128, 9673), (2261, 9104), (2276, 9044), (2584, 7966), (3983, 5168), (4522, 4552)]