20157408

素因数分解:

$2^5\times 3^2\times {\mathrm{69991}}^1$

素因数の和:70007

約数の個数: 36

約数和(自身を含む): 57323448

約数和(自身を除く): 37166040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 69991, 139982, 209973, 279964, 419946, 559928, 629919, 839892, 1119856, 1259838, 1679784, 2239712, 2519676, 3359568, 5039352, 6719136, 10078704, 20157408]

約数ペア:

[(1, 20157408), (2, 10078704), (3, 6719136), (4, 5039352), (6, 3359568), (8, 2519676), (9, 2239712), (12, 1679784), (16, 1259838), (18, 1119856), (24, 839892), (32, 629919), (36, 559928), (48, 419946), (72, 279964), (96, 209973), (144, 139982), (288, 69991)]