20661000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 66044160

約数和(自身を除く): 45383160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 71, 75, 97, 100, 120, 125, 142, 150, 194, 200, 213, 250, 284, 291, 300, 355, 375, 388, 426, 485, 500, 568, 582, 600, 710, 750, 776, 852, 970, 1000, 1065, 1164, 1420, 1455, 1500, 1704, 1775, 1940, 2130, 2328, 2425, 2840, 2910, 3000, 3550, 3880, 4260, 4850, 5325, 5820, 6887, 7100, 7275, 8520, 8875, 9700, 10650, 11640, 12125, 13774, 14200, 14550, 17750, 19400, 20661, 21300, 24250, 26625, 27548, 29100, 34435, 35500, 36375, 41322, 42600, 48500, 53250, 55096, 58200, 68870, 71000, 72750, 82644, 97000, 103305, 106500, 137740, 145500, 165288, 172175, 206610, 213000, 275480, 291000, 344350, 413220, 516525, 688700, 826440, 860875, 1033050, 1377400, 1721750, 2066100, 2582625, 3443500, 4132200, 5165250, 6887000, 10330500, 20661000]

約数ペア:

[(1, 20661000), (2, 10330500), (3, 6887000), (4, 5165250), (5, 4132200), (6, 3443500), (8, 2582625), (10, 2066100), (12, 1721750), (15, 1377400), (20, 1033050), (24, 860875), (25, 826440), (30, 688700), (40, 516525), (50, 413220), (60, 344350), (71, 291000), (75, 275480), (97, 213000), (100, 206610), (120, 172175), (125, 165288), (142, 145500), (150, 137740), (194, 106500), (200, 103305), (213, 97000), (250, 82644), (284, 72750), (291, 71000), (300, 68870), (355, 58200), (375, 55096), (388, 53250), (426, 48500), (485, 42600), (500, 41322), (568, 36375), (582, 35500), (600, 34435), (710, 29100), (750, 27548), (776, 26625), (852, 24250), (970, 21300), (1000, 20661), (1065, 19400), (1164, 17750), (1420, 14550), (1455, 14200), (1500, 13774), (1704, 12125), (1775, 11640), (1940, 10650), (2130, 9700), (2328, 8875), (2425, 8520), (2840, 7275), (2910, 7100), (3000, 6887), (3550, 5820), (3880, 5325), (4260, 4850)]