20105400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4787}}^1$

素因数の和:4813

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 51140040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4787, 9574, 14361, 19148, 23935, 28722, 33509, 38296, 47870, 57444, 67018, 71805, 95740, 100527, 114888, 119675, 134036, 143610, 167545, 191480, 201054, 239350, 268072, 287220, 335090, 359025, 402108, 478700, 502635, 574440, 670180, 718050, 804216, 837725, 957400, 1005270, 1340360, 1436100, 1675450, 2010540, 2513175, 2872200, 3350900, 4021080, 5026350, 6701800, 10052700, 20105400]

約数ペア:

[(1, 20105400), (2, 10052700), (3, 6701800), (4, 5026350), (5, 4021080), (6, 3350900), (7, 2872200), (8, 2513175), (10, 2010540), (12, 1675450), (14, 1436100), (15, 1340360), (20, 1005270), (21, 957400), (24, 837725), (25, 804216), (28, 718050), (30, 670180), (35, 574440), (40, 502635), (42, 478700), (50, 402108), (56, 359025), (60, 335090), (70, 287220), (75, 268072), (84, 239350), (100, 201054), (105, 191480), (120, 167545), (140, 143610), (150, 134036), (168, 119675), (175, 114888), (200, 100527), (210, 95740), (280, 71805), (300, 67018), (350, 57444), (420, 47870), (525, 38296), (600, 33509), (700, 28722), (840, 23935), (1050, 19148), (1400, 14361), (2100, 9574), (4200, 4787)]