20712112

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{139}}^2$

素因数の和:353

約数の個数: 30

約数和(自身を含む): 41023788

約数和(自身を除く): 20311676

約数列:

[1, 2, 4, 8, 16, 67, 134, 139, 268, 278, 536, 556, 1072, 1112, 2224, 9313, 18626, 19321, 37252, 38642, 74504, 77284, 149008, 154568, 309136, 1294507, 2589014, 5178028, 10356056, 20712112]

約数ペア:

[(1, 20712112), (2, 10356056), (4, 5178028), (8, 2589014), (16, 1294507), (67, 309136), (134, 154568), (139, 149008), (268, 77284), (278, 74504), (536, 38642), (556, 37252), (1072, 19321), (1112, 18626), (2224, 9313)]