20383000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 55598400

約数和(自身を除く): 35215400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 109, 110, 125, 136, 170, 187, 200, 218, 220, 250, 275, 340, 374, 425, 436, 440, 500, 545, 550, 680, 748, 850, 872, 935, 1000, 1090, 1100, 1199, 1375, 1496, 1700, 1853, 1870, 2125, 2180, 2200, 2398, 2725, 2750, 3400, 3706, 3740, 4250, 4360, 4675, 4796, 5450, 5500, 5995, 7412, 7480, 8500, 9265, 9350, 9592, 10900, 11000, 11990, 13625, 14824, 17000, 18530, 18700, 20383, 21800, 23375, 23980, 27250, 29975, 37060, 37400, 40766, 46325, 46750, 47960, 54500, 59950, 74120, 81532, 92650, 93500, 101915, 109000, 119900, 149875, 163064, 185300, 187000, 203830, 231625, 239800, 299750, 370600, 407660, 463250, 509575, 599500, 815320, 926500, 1019150, 1199000, 1853000, 2038300, 2547875, 4076600, 5095750, 10191500, 20383000]

約数ペア:

[(1, 20383000), (2, 10191500), (4, 5095750), (5, 4076600), (8, 2547875), (10, 2038300), (11, 1853000), (17, 1199000), (20, 1019150), (22, 926500), (25, 815320), (34, 599500), (40, 509575), (44, 463250), (50, 407660), (55, 370600), (68, 299750), (85, 239800), (88, 231625), (100, 203830), (109, 187000), (110, 185300), (125, 163064), (136, 149875), (170, 119900), (187, 109000), (200, 101915), (218, 93500), (220, 92650), (250, 81532), (275, 74120), (340, 59950), (374, 54500), (425, 47960), (436, 46750), (440, 46325), (500, 40766), (545, 37400), (550, 37060), (680, 29975), (748, 27250), (850, 23980), (872, 23375), (935, 21800), (1000, 20383), (1090, 18700), (1100, 18530), (1199, 17000), (1375, 14824), (1496, 13625), (1700, 11990), (1853, 11000), (1870, 10900), (2125, 9592), (2180, 9350), (2200, 9265), (2398, 8500), (2725, 7480), (2750, 7412), (3400, 5995), (3706, 5500), (3740, 5450), (4250, 4796), (4360, 4675)]