20667750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 54654912

約数和(自身を除く): 33987162

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1621, 2125, 2550, 3242, 4250, 4863, 6375, 8105, 9726, 12750, 16210, 24315, 27557, 40525, 48630, 55114, 81050, 82671, 121575, 137785, 165342, 202625, 243150, 275570, 405250, 413355, 607875, 688925, 826710, 1215750, 1377850, 2066775, 3444625, 4133550, 6889250, 10333875, 20667750]

約数ペア:

[(1, 20667750), (2, 10333875), (3, 6889250), (5, 4133550), (6, 3444625), (10, 2066775), (15, 1377850), (17, 1215750), (25, 826710), (30, 688925), (34, 607875), (50, 413355), (51, 405250), (75, 275570), (85, 243150), (102, 202625), (125, 165342), (150, 137785), (170, 121575), (250, 82671), (255, 81050), (375, 55114), (425, 48630), (510, 40525), (750, 27557), (850, 24315), (1275, 16210), (1621, 12750), (2125, 9726), (2550, 8105), (3242, 6375), (4250, 4863)]