20054788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3413}}^1$

素因数の和:3543

約数の個数: 24

約数和(自身を含む): 38141208

約数和(自身を除く): 18086420

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3413, 5876, 6826, 13652, 44369, 88738, 177476, 385669, 771338, 1542676, 5013697, 10027394, 20054788]

約数ペア:

[(1, 20054788), (2, 10027394), (4, 5013697), (13, 1542676), (26, 771338), (52, 385669), (113, 177476), (226, 88738), (452, 44369), (1469, 13652), (2938, 6826), (3413, 5876)]