20872200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 66290400

約数和(自身を除く): 45418200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 129, 150, 172, 200, 215, 258, 300, 344, 430, 516, 600, 645, 809, 860, 1032, 1075, 1290, 1618, 1720, 2150, 2427, 2580, 3225, 3236, 4045, 4300, 4854, 5160, 6450, 6472, 8090, 8600, 9708, 12135, 12900, 16180, 19416, 20225, 24270, 25800, 32360, 34787, 40450, 48540, 60675, 69574, 80900, 97080, 104361, 121350, 139148, 161800, 173935, 208722, 242700, 278296, 347870, 417444, 485400, 521805, 695740, 834888, 869675, 1043610, 1391480, 1739350, 2087220, 2609025, 3478700, 4174440, 5218050, 6957400, 10436100, 20872200]

約数ペア:

[(1, 20872200), (2, 10436100), (3, 6957400), (4, 5218050), (5, 4174440), (6, 3478700), (8, 2609025), (10, 2087220), (12, 1739350), (15, 1391480), (20, 1043610), (24, 869675), (25, 834888), (30, 695740), (40, 521805), (43, 485400), (50, 417444), (60, 347870), (75, 278296), (86, 242700), (100, 208722), (120, 173935), (129, 161800), (150, 139148), (172, 121350), (200, 104361), (215, 97080), (258, 80900), (300, 69574), (344, 60675), (430, 48540), (516, 40450), (600, 34787), (645, 32360), (809, 25800), (860, 24270), (1032, 20225), (1075, 19416), (1290, 16180), (1618, 12900), (1720, 12135), (2150, 9708), (2427, 8600), (2580, 8090), (3225, 6472), (3236, 6450), (4045, 5160), (4300, 4854)]