22000720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2348

約数の個数: 80

約数和(自身を含む): 61924608

約数和(自身を除く): 39923888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2311, 2380, 4622, 4760, 9244, 9520, 11555, 16177, 18488, 23110, 32354, 36976, 39287, 46220, 64708, 78574, 80885, 92440, 129416, 157148, 161770, 184880, 196435, 258832, 275009, 314296, 323540, 392870, 550018, 628592, 647080, 785740, 1100036, 1294160, 1375045, 1571480, 2200072, 2750090, 3142960, 4400144, 5500180, 11000360, 22000720]

約数ペア:

[(1, 22000720), (2, 11000360), (4, 5500180), (5, 4400144), (7, 3142960), (8, 2750090), (10, 2200072), (14, 1571480), (16, 1375045), (17, 1294160), (20, 1100036), (28, 785740), (34, 647080), (35, 628592), (40, 550018), (56, 392870), (68, 323540), (70, 314296), (80, 275009), (85, 258832), (112, 196435), (119, 184880), (136, 161770), (140, 157148), (170, 129416), (238, 92440), (272, 80885), (280, 78574), (340, 64708), (476, 46220), (560, 39287), (595, 36976), (680, 32354), (952, 23110), (1190, 18488), (1360, 16177), (1904, 11555), (2311, 9520), (2380, 9244), (4622, 4760)]