20463750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 59212296

約数和(自身を除く): 38748546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 107, 125, 150, 153, 170, 214, 225, 250, 255, 306, 321, 375, 425, 450, 510, 535, 625, 642, 750, 765, 850, 963, 1070, 1125, 1250, 1275, 1530, 1605, 1819, 1875, 1926, 2125, 2250, 2550, 2675, 3210, 3638, 3750, 3825, 4250, 4815, 5350, 5457, 5625, 6375, 7650, 8025, 9095, 9630, 10625, 10914, 11250, 12750, 13375, 16050, 16371, 18190, 19125, 21250, 24075, 26750, 27285, 31875, 32742, 38250, 40125, 45475, 48150, 54570, 63750, 66875, 80250, 81855, 90950, 95625, 120375, 133750, 136425, 163710, 191250, 200625, 227375, 240750, 272850, 401250, 409275, 454750, 601875, 682125, 818550, 1136875, 1203750, 1364250, 2046375, 2273750, 3410625, 4092750, 6821250, 10231875, 20463750]

約数ペア:

[(1, 20463750), (2, 10231875), (3, 6821250), (5, 4092750), (6, 3410625), (9, 2273750), (10, 2046375), (15, 1364250), (17, 1203750), (18, 1136875), (25, 818550), (30, 682125), (34, 601875), (45, 454750), (50, 409275), (51, 401250), (75, 272850), (85, 240750), (90, 227375), (102, 200625), (107, 191250), (125, 163710), (150, 136425), (153, 133750), (170, 120375), (214, 95625), (225, 90950), (250, 81855), (255, 80250), (306, 66875), (321, 63750), (375, 54570), (425, 48150), (450, 45475), (510, 40125), (535, 38250), (625, 32742), (642, 31875), (750, 27285), (765, 26750), (850, 24075), (963, 21250), (1070, 19125), (1125, 18190), (1250, 16371), (1275, 16050), (1530, 13375), (1605, 12750), (1819, 11250), (1875, 10914), (1926, 10625), (2125, 9630), (2250, 9095), (2550, 8025), (2675, 7650), (3210, 6375), (3638, 5625), (3750, 5457), (3825, 5350), (4250, 4815)]