20181404740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6267517}}^1$

素因数の和:6267556

約数の個数: 48

約数和(自身を含む): 50541265152

約数和(自身を除く): 30359860412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6267517, 12535034, 25070068, 31337585, 43872619, 62675170, 87745238, 125350340, 144152891, 175490476, 219363095, 288305782, 438726190, 576611564, 720764455, 877452380, 1009070237, 1441528910, 2018140474, 2883057820, 4036280948, 5045351185, 10090702370, 20181404740]

約数ペア:

[(1, 20181404740), (2, 10090702370), (4, 5045351185), (5, 4036280948), (7, 2883057820), (10, 2018140474), (14, 1441528910), (20, 1009070237), (23, 877452380), (28, 720764455), (35, 576611564), (46, 438726190), (70, 288305782), (92, 219363095), (115, 175490476), (140, 144152891), (161, 125350340), (230, 87745238), (322, 62675170), (460, 43872619), (644, 31337585), (805, 25070068), (1610, 12535034), (3220, 6267517)]