20356200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 70218720

約数和(自身を除く): 49862520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 258, 263, 300, 344, 360, 387, 430, 450, 516, 526, 600, 645, 774, 789, 860, 900, 1032, 1052, 1075, 1290, 1315, 1548, 1578, 1720, 1800, 1935, 2104, 2150, 2367, 2580, 2630, 3096, 3156, 3225, 3870, 3945, 4300, 4734, 5160, 5260, 6312, 6450, 6575, 7740, 7890, 8600, 9468, 9675, 10520, 11309, 11835, 12900, 13150, 15480, 15780, 18936, 19350, 19725, 22618, 23670, 25800, 26300, 31560, 33927, 38700, 39450, 45236, 47340, 52600, 56545, 59175, 67854, 77400, 78900, 90472, 94680, 101781, 113090, 118350, 135708, 157800, 169635, 203562, 226180, 236700, 271416, 282725, 339270, 407124, 452360, 473400, 508905, 565450, 678540, 814248, 848175, 1017810, 1130900, 1357080, 1696350, 2035620, 2261800, 2544525, 3392700, 4071240, 5089050, 6785400, 10178100, 20356200]

約数ペア:

[(1, 20356200), (2, 10178100), (3, 6785400), (4, 5089050), (5, 4071240), (6, 3392700), (8, 2544525), (9, 2261800), (10, 2035620), (12, 1696350), (15, 1357080), (18, 1130900), (20, 1017810), (24, 848175), (25, 814248), (30, 678540), (36, 565450), (40, 508905), (43, 473400), (45, 452360), (50, 407124), (60, 339270), (72, 282725), (75, 271416), (86, 236700), (90, 226180), (100, 203562), (120, 169635), (129, 157800), (150, 135708), (172, 118350), (180, 113090), (200, 101781), (215, 94680), (225, 90472), (258, 78900), (263, 77400), (300, 67854), (344, 59175), (360, 56545), (387, 52600), (430, 47340), (450, 45236), (516, 39450), (526, 38700), (600, 33927), (645, 31560), (774, 26300), (789, 25800), (860, 23670), (900, 22618), (1032, 19725), (1052, 19350), (1075, 18936), (1290, 15780), (1315, 15480), (1548, 13150), (1578, 12900), (1720, 11835), (1800, 11309), (1935, 10520), (2104, 9675), (2150, 9468), (2367, 8600), (2580, 7890), (2630, 7740), (3096, 6575), (3156, 6450), (3225, 6312), (3870, 5260), (3945, 5160), (4300, 4734)]