20542608

素因数分解:

$2^4\times 3^2\times {\mathrm{142657}}^1$

素因数の和:142671

約数の個数: 30

約数和(自身を含む): 57491174

約数和(自身を除く): 36948566

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142657, 285314, 427971, 570628, 855942, 1141256, 1283913, 1711884, 2282512, 2567826, 3423768, 5135652, 6847536, 10271304, 20542608]

約数ペア:

[(1, 20542608), (2, 10271304), (3, 6847536), (4, 5135652), (6, 3423768), (8, 2567826), (9, 2282512), (12, 1711884), (16, 1283913), (18, 1141256), (24, 855942), (36, 570628), (48, 427971), (72, 285314), (144, 142657)]