20356090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17564870

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 379, 410, 655, 758, 1310, 1895, 3790, 5371, 10742, 15539, 26855, 31078, 49649, 53710, 77695, 99298, 155390, 248245, 496490, 2035609, 4071218, 10178045, 20356090]

約数ペア:

[(1, 20356090), (2, 10178045), (5, 4071218), (10, 2035609), (41, 496490), (82, 248245), (131, 155390), (205, 99298), (262, 77695), (379, 53710), (410, 49649), (655, 31078), (758, 26855), (1310, 15539), (1895, 10742), (3790, 5371)]