20484812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11719}}^1$

素因数の和:11765

約数の個数: 24

約数和(自身を含む): 39379200

約数和(自身を除く): 18894388

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11719, 23438, 46876, 222661, 269537, 445322, 539074, 890644, 1078148, 5121203, 10242406, 20484812]

約数ペア:

[(1, 20484812), (2, 10242406), (4, 5121203), (19, 1078148), (23, 890644), (38, 539074), (46, 445322), (76, 269537), (92, 222661), (437, 46876), (874, 23438), (1748, 11719)]