20846250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 60308820

約数和(自身を除く): 39462570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 109, 125, 150, 153, 170, 218, 225, 250, 255, 306, 327, 375, 425, 450, 510, 545, 625, 654, 750, 765, 850, 981, 1090, 1125, 1250, 1275, 1530, 1635, 1853, 1875, 1962, 2125, 2250, 2550, 2725, 3270, 3706, 3750, 3825, 4250, 4905, 5450, 5559, 5625, 6375, 7650, 8175, 9265, 9810, 10625, 11118, 11250, 12750, 13625, 16350, 16677, 18530, 19125, 21250, 24525, 27250, 27795, 31875, 33354, 38250, 40875, 46325, 49050, 55590, 63750, 68125, 81750, 83385, 92650, 95625, 122625, 136250, 138975, 166770, 191250, 204375, 231625, 245250, 277950, 408750, 416925, 463250, 613125, 694875, 833850, 1158125, 1226250, 1389750, 2084625, 2316250, 3474375, 4169250, 6948750, 10423125, 20846250]

約数ペア:

[(1, 20846250), (2, 10423125), (3, 6948750), (5, 4169250), (6, 3474375), (9, 2316250), (10, 2084625), (15, 1389750), (17, 1226250), (18, 1158125), (25, 833850), (30, 694875), (34, 613125), (45, 463250), (50, 416925), (51, 408750), (75, 277950), (85, 245250), (90, 231625), (102, 204375), (109, 191250), (125, 166770), (150, 138975), (153, 136250), (170, 122625), (218, 95625), (225, 92650), (250, 83385), (255, 81750), (306, 68125), (327, 63750), (375, 55590), (425, 49050), (450, 46325), (510, 40875), (545, 38250), (625, 33354), (654, 31875), (750, 27795), (765, 27250), (850, 24525), (981, 21250), (1090, 19125), (1125, 18530), (1250, 16677), (1275, 16350), (1530, 13625), (1635, 12750), (1853, 11250), (1875, 11118), (1962, 10625), (2125, 9810), (2250, 9265), (2550, 8175), (2725, 7650), (3270, 6375), (3706, 5625), (3750, 5559), (3825, 5450), (4250, 4905)]