20582520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 71539200

約数和(自身を除く): 50956680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 229, 280, 321, 420, 428, 458, 535, 642, 687, 749, 840, 856, 916, 1070, 1145, 1284, 1374, 1498, 1603, 1605, 1832, 2140, 2247, 2290, 2568, 2748, 2996, 3206, 3210, 3435, 3745, 4280, 4494, 4580, 4809, 5496, 5992, 6412, 6420, 6870, 7490, 8015, 8988, 9160, 9618, 11235, 12824, 12840, 13740, 14980, 16030, 17976, 19236, 22470, 24045, 24503, 27480, 29960, 32060, 38472, 44940, 48090, 49006, 64120, 73509, 89880, 96180, 98012, 122515, 147018, 171521, 192360, 196024, 245030, 294036, 343042, 367545, 490060, 514563, 588072, 686084, 735090, 857605, 980120, 1029126, 1372168, 1470180, 1715210, 2058252, 2572815, 2940360, 3430420, 4116504, 5145630, 6860840, 10291260, 20582520]

約数ペア:

[(1, 20582520), (2, 10291260), (3, 6860840), (4, 5145630), (5, 4116504), (6, 3430420), (7, 2940360), (8, 2572815), (10, 2058252), (12, 1715210), (14, 1470180), (15, 1372168), (20, 1029126), (21, 980120), (24, 857605), (28, 735090), (30, 686084), (35, 588072), (40, 514563), (42, 490060), (56, 367545), (60, 343042), (70, 294036), (84, 245030), (105, 196024), (107, 192360), (120, 171521), (140, 147018), (168, 122515), (210, 98012), (214, 96180), (229, 89880), (280, 73509), (321, 64120), (420, 49006), (428, 48090), (458, 44940), (535, 38472), (642, 32060), (687, 29960), (749, 27480), (840, 24503), (856, 24045), (916, 22470), (1070, 19236), (1145, 17976), (1284, 16030), (1374, 14980), (1498, 13740), (1603, 12840), (1605, 12824), (1832, 11235), (2140, 9618), (2247, 9160), (2290, 8988), (2568, 8015), (2748, 7490), (2996, 6870), (3206, 6420), (3210, 6412), (3435, 5992), (3745, 5496), (4280, 4809), (4494, 4580)]