20732400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:480

約数の個数: 180

約数和(自身を含む): 77656488

約数和(自身を除く): 56924088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 360, 390, 400, 443, 450, 468, 520, 585, 600, 624, 650, 720, 780, 886, 900, 936, 975, 1040, 1170, 1200, 1300, 1329, 1560, 1772, 1800, 1872, 1950, 2215, 2340, 2600, 2658, 2925, 3120, 3544, 3600, 3900, 3987, 4430, 4680, 5200, 5316, 5759, 5850, 6645, 7088, 7800, 7974, 8860, 9360, 10632, 11075, 11518, 11700, 13290, 15600, 15948, 17277, 17720, 19935, 21264, 22150, 23036, 23400, 26580, 28795, 31896, 33225, 34554, 35440, 39870, 44300, 46072, 46800, 51831, 53160, 57590, 63792, 66450, 69108, 79740, 86385, 88600, 92144, 99675, 103662, 106320, 115180, 132900, 138216, 143975, 159480, 172770, 177200, 199350, 207324, 230360, 259155, 265800, 276432, 287950, 318960, 345540, 398700, 414648, 431925, 460720, 518310, 531600, 575900, 691080, 797400, 829296, 863850, 1036620, 1151800, 1295775, 1382160, 1594800, 1727700, 2073240, 2303600, 2591550, 3455400, 4146480, 5183100, 6910800, 10366200, 20732400]

約数ペア:

[(1, 20732400), (2, 10366200), (3, 6910800), (4, 5183100), (5, 4146480), (6, 3455400), (8, 2591550), (9, 2303600), (10, 2073240), (12, 1727700), (13, 1594800), (15, 1382160), (16, 1295775), (18, 1151800), (20, 1036620), (24, 863850), (25, 829296), (26, 797400), (30, 691080), (36, 575900), (39, 531600), (40, 518310), (45, 460720), (48, 431925), (50, 414648), (52, 398700), (60, 345540), (65, 318960), (72, 287950), (75, 276432), (78, 265800), (80, 259155), (90, 230360), (100, 207324), (104, 199350), (117, 177200), (120, 172770), (130, 159480), (144, 143975), (150, 138216), (156, 132900), (180, 115180), (195, 106320), (200, 103662), (208, 99675), (225, 92144), (234, 88600), (240, 86385), (260, 79740), (300, 69108), (312, 66450), (325, 63792), (360, 57590), (390, 53160), (400, 51831), (443, 46800), (450, 46072), (468, 44300), (520, 39870), (585, 35440), (600, 34554), (624, 33225), (650, 31896), (720, 28795), (780, 26580), (886, 23400), (900, 23036), (936, 22150), (975, 21264), (1040, 19935), (1170, 17720), (1200, 17277), (1300, 15948), (1329, 15600), (1560, 13290), (1772, 11700), (1800, 11518), (1872, 11075), (1950, 10632), (2215, 9360), (2340, 8860), (2600, 7974), (2658, 7800), (2925, 7088), (3120, 6645), (3544, 5850), (3600, 5759), (3900, 5316), (3987, 5200), (4430, 4680)]