20431952

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2063}}^1$

素因数の和:2690

約数の個数: 20

約数和(自身を含む): 39670080

約数和(自身を除く): 19238128

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2063, 2476, 4126, 4952, 8252, 9904, 16504, 33008, 1276997, 2553994, 5107988, 10215976, 20431952]

約数ペア:

[(1, 20431952), (2, 10215976), (4, 5107988), (8, 2553994), (16, 1276997), (619, 33008), (1238, 16504), (2063, 9904), (2476, 8252), (4126, 4952)]