20178518968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{148371463}}^1$

素因数の和:148371486

約数の個数: 16

約数和(自身を含む): 40060295280

約数和(自身を除く): 19881776312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 148371463, 296742926, 593485852, 1186971704, 2522314871, 5044629742, 10089259484, 20178518968]

約数ペア:

[(1, 20178518968), (2, 10089259484), (4, 5044629742), (8, 2522314871), (17, 1186971704), (34, 593485852), (68, 296742926), (136, 148371463)]