20481796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16773884

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1759, 2911, 3518, 5822, 7036, 11644, 72119, 124889, 144238, 249778, 288476, 499556, 5120449, 10240898, 20481796]

約数ペア:

[(1, 20481796), (2, 10240898), (4, 5120449), (41, 499556), (71, 288476), (82, 249778), (142, 144238), (164, 124889), (284, 72119), (1759, 11644), (2911, 7036), (3518, 5822)]