20336800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2311}}^1$

素因数の和:2342

約数の個数: 72

約数和(自身を含む): 54184032

約数和(自身を除く): 33847232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2311, 4400, 4622, 8800, 9244, 11555, 18488, 23110, 25421, 36976, 46220, 50842, 57775, 73952, 92440, 101684, 115550, 127105, 184880, 203368, 231100, 254210, 369760, 406736, 462200, 508420, 635525, 813472, 924400, 1016840, 1271050, 1848800, 2033680, 2542100, 4067360, 5084200, 10168400, 20336800]

約数ペア:

[(1, 20336800), (2, 10168400), (4, 5084200), (5, 4067360), (8, 2542100), (10, 2033680), (11, 1848800), (16, 1271050), (20, 1016840), (22, 924400), (25, 813472), (32, 635525), (40, 508420), (44, 462200), (50, 406736), (55, 369760), (80, 254210), (88, 231100), (100, 203368), (110, 184880), (160, 127105), (176, 115550), (200, 101684), (220, 92440), (275, 73952), (352, 57775), (400, 50842), (440, 46220), (550, 36976), (800, 25421), (880, 23110), (1100, 18488), (1760, 11555), (2200, 9244), (2311, 8800), (4400, 4622)]