20496944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98543}}^1$

素因数の和:98564

約数の個数: 20

約数和(自身を含む): 42768096

約数和(自身を除く): 22271152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98543, 197086, 394172, 788344, 1281059, 1576688, 2562118, 5124236, 10248472, 20496944]

約数ペア:

[(1, 20496944), (2, 10248472), (4, 5124236), (8, 2562118), (13, 1576688), (16, 1281059), (26, 788344), (52, 394172), (104, 197086), (208, 98543)]