20957400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{3881}}^1$

素因数の和:3906

約数の個数: 96

約数和(自身を含む): 72205200

約数和(自身を除く): 51247800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 135, 150, 180, 200, 216, 225, 270, 300, 360, 450, 540, 600, 675, 900, 1080, 1350, 1800, 2700, 3881, 5400, 7762, 11643, 15524, 19405, 23286, 31048, 34929, 38810, 46572, 58215, 69858, 77620, 93144, 97025, 104787, 116430, 139716, 155240, 174645, 194050, 209574, 232860, 279432, 291075, 349290, 388100, 419148, 465720, 523935, 582150, 698580, 776200, 838296, 873225, 1047870, 1164300, 1397160, 1746450, 2095740, 2328600, 2619675, 3492900, 4191480, 5239350, 6985800, 10478700, 20957400]

約数ペア:

[(1, 20957400), (2, 10478700), (3, 6985800), (4, 5239350), (5, 4191480), (6, 3492900), (8, 2619675), (9, 2328600), (10, 2095740), (12, 1746450), (15, 1397160), (18, 1164300), (20, 1047870), (24, 873225), (25, 838296), (27, 776200), (30, 698580), (36, 582150), (40, 523935), (45, 465720), (50, 419148), (54, 388100), (60, 349290), (72, 291075), (75, 279432), (90, 232860), (100, 209574), (108, 194050), (120, 174645), (135, 155240), (150, 139716), (180, 116430), (200, 104787), (216, 97025), (225, 93144), (270, 77620), (300, 69858), (360, 58215), (450, 46572), (540, 38810), (600, 34929), (675, 31048), (900, 23286), (1080, 19405), (1350, 15524), (1800, 11643), (2700, 7762), (3881, 5400)]