20748140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148201}}^1$

素因数の和:148217

約数の個数: 24

約数和(自身を含む): 49795872

約数和(自身を除く): 29047732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148201, 296402, 592804, 741005, 1037407, 1482010, 2074814, 2964020, 4149628, 5187035, 10374070, 20748140]

約数ペア:

[(1, 20748140), (2, 10374070), (4, 5187035), (5, 4149628), (7, 2964020), (10, 2074814), (14, 1482010), (20, 1037407), (28, 741005), (35, 592804), (70, 296402), (140, 148201)]