20947944

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51343}}^1$

素因数の和:51369

約数の個数: 32

約数和(自身を含む): 55451520

約数和(自身を除く): 34503576

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51343, 102686, 154029, 205372, 308058, 410744, 616116, 872831, 1232232, 1745662, 2618493, 3491324, 5236986, 6982648, 10473972, 20947944]

約数ペア:

[(1, 20947944), (2, 10473972), (3, 6982648), (4, 5236986), (6, 3491324), (8, 2618493), (12, 1745662), (17, 1232232), (24, 872831), (34, 616116), (51, 410744), (68, 308058), (102, 205372), (136, 154029), (204, 102686), (408, 51343)]