20407029309

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{407741}}^1$

素因数の和:407897

約数の個数: 24

約数和(自身を含む): 30277289952

約数和(自身を除く): 9870260643

約数列:

[1, 3, 9, 67, 83, 201, 249, 603, 747, 5561, 16683, 50049, 407741, 1223223, 3669669, 27318647, 33842503, 81955941, 101527509, 245867823, 304582527, 2267447701, 6802343103, 20407029309]

約数ペア:

[(1, 20407029309), (3, 6802343103), (9, 2267447701), (67, 304582527), (83, 245867823), (201, 101527509), (249, 81955941), (603, 33842503), (747, 27318647), (5561, 3669669), (16683, 1223223), (50049, 407741)]