20321874

素因数分解:

$2^1\times 3^3\times {\mathrm{269}}^1\times {\mathrm{1399}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 25038126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 269, 538, 807, 1399, 1614, 2421, 2798, 4197, 4842, 7263, 8394, 12591, 14526, 25182, 37773, 75546, 376331, 752662, 1128993, 2257986, 3386979, 6773958, 10160937, 20321874]

約数ペア:

[(1, 20321874), (2, 10160937), (3, 6773958), (6, 3386979), (9, 2257986), (18, 1128993), (27, 752662), (54, 376331), (269, 75546), (538, 37773), (807, 25182), (1399, 14526), (1614, 12591), (2421, 8394), (2798, 7263), (4197, 4842)]