20547170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2247

約数の個数: 48

約数和(自身を含む): 45308160

約数和(自身を除く): 24760990

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2207, 4414, 4655, 9310, 11035, 15449, 22070, 30898, 41933, 77245, 83866, 108143, 154490, 209665, 216286, 293531, 419330, 540715, 587062, 1081430, 1467655, 2054717, 2935310, 4109434, 10273585, 20547170]

約数ペア:

[(1, 20547170), (2, 10273585), (5, 4109434), (7, 2935310), (10, 2054717), (14, 1467655), (19, 1081430), (35, 587062), (38, 540715), (49, 419330), (70, 293531), (95, 216286), (98, 209665), (133, 154490), (190, 108143), (245, 83866), (266, 77245), (490, 41933), (665, 30898), (931, 22070), (1330, 15449), (1862, 11035), (2207, 9310), (4414, 4655)]