20242880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1322

約数の個数: 84

約数和(自身を含む): 56116728

約数和(自身を除く): 35873848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1291, 1568, 1960, 2240, 2582, 3136, 3920, 5164, 6455, 7840, 9037, 10328, 12910, 15680, 18074, 20656, 25820, 36148, 41312, 45185, 51640, 63259, 72296, 82624, 90370, 103280, 126518, 144592, 180740, 206560, 253036, 289184, 316295, 361480, 413120, 506072, 578368, 632590, 722960, 1012144, 1265180, 1445920, 2024288, 2530360, 2891840, 4048576, 5060720, 10121440, 20242880]

約数ペア:

[(1, 20242880), (2, 10121440), (4, 5060720), (5, 4048576), (7, 2891840), (8, 2530360), (10, 2024288), (14, 1445920), (16, 1265180), (20, 1012144), (28, 722960), (32, 632590), (35, 578368), (40, 506072), (49, 413120), (56, 361480), (64, 316295), (70, 289184), (80, 253036), (98, 206560), (112, 180740), (140, 144592), (160, 126518), (196, 103280), (224, 90370), (245, 82624), (280, 72296), (320, 63259), (392, 51640), (448, 45185), (490, 41312), (560, 36148), (784, 25820), (980, 20656), (1120, 18074), (1291, 15680), (1568, 12910), (1960, 10328), (2240, 9037), (2582, 7840), (3136, 6455), (3920, 5164)]