20137138

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3877}}^1$

素因数の和:3946

約数の個数: 24

約数和(自身を含む): 35809452

約数和(自身を除く): 15672314

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 3877, 5194, 7754, 27139, 54278, 189973, 205481, 379946, 410962, 1438367, 2876734, 10068569, 20137138]

約数ペア:

[(1, 20137138), (2, 10068569), (7, 2876734), (14, 1438367), (49, 410962), (53, 379946), (98, 205481), (106, 189973), (371, 54278), (742, 27139), (2597, 7754), (3877, 5194)]