20176240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5147}}^1$

素因数の和:5174

約数の個数: 60

約数和(自身を含む): 54579096

約数和(自身を除く): 34402856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5147, 10294, 20588, 25735, 36029, 41176, 51470, 72058, 82352, 102940, 144116, 180145, 205880, 252203, 288232, 360290, 411760, 504406, 576464, 720580, 1008812, 1261015, 1441160, 2017624, 2522030, 2882320, 4035248, 5044060, 10088120, 20176240]

約数ペア:

[(1, 20176240), (2, 10088120), (4, 5044060), (5, 4035248), (7, 2882320), (8, 2522030), (10, 2017624), (14, 1441160), (16, 1261015), (20, 1008812), (28, 720580), (35, 576464), (40, 504406), (49, 411760), (56, 360290), (70, 288232), (80, 252203), (98, 205880), (112, 180145), (140, 144116), (196, 102940), (245, 82352), (280, 72058), (392, 51470), (490, 41176), (560, 36029), (784, 25735), (980, 20588), (1960, 10294), (3920, 5147)]