20525654020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2348473}}^1$

素因数の和:2348524

約数の個数: 48

約数和(自身を含む): 47345235840

約数和(自身を除く): 26819581820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 2348473, 4696946, 9393892, 11742365, 23484730, 44620987, 46969460, 54014879, 89241974, 108029758, 178483948, 216059516, 223104935, 270074395, 446209870, 540148790, 892419740, 1026282701, 1080297580, 2052565402, 4105130804, 5131413505, 10262827010, 20525654020]

約数ペア:

[(1, 20525654020), (2, 10262827010), (4, 5131413505), (5, 4105130804), (10, 2052565402), (19, 1080297580), (20, 1026282701), (23, 892419740), (38, 540148790), (46, 446209870), (76, 270074395), (92, 223104935), (95, 216059516), (115, 178483948), (190, 108029758), (230, 89241974), (380, 54014879), (437, 46969460), (460, 44620987), (874, 23484730), (1748, 11742365), (2185, 9393892), (4370, 4696946), (8740, 2348473)]