20154163905

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1001947}}^1$

素因数の和:1002110

約数の個数: 32

約数和(自身を含む): 36070128000

約数和(自身を除く): 15915964095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705, 20115, 1001947, 3005841, 5009735, 9017523, 15029205, 27052569, 45087615, 135262845, 149290103, 447870309, 746450515, 1343610927, 2239351545, 4030832781, 6718054635, 20154163905]

約数ペア:

[(1, 20154163905), (3, 6718054635), (5, 4030832781), (9, 2239351545), (15, 1343610927), (27, 746450515), (45, 447870309), (135, 149290103), (149, 135262845), (447, 45087615), (745, 27052569), (1341, 15029205), (2235, 9017523), (4023, 5009735), (6705, 3005841), (20115, 1001947)]