20178616

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{68171}}^1$

素因数の和:68214

約数の個数: 16

約数和(自身を含む): 38858040

約数和(自身を除く): 18679424

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 68171, 136342, 272684, 545368, 2522327, 5044654, 10089308, 20178616]

約数ペア:

[(1, 20178616), (2, 10089308), (4, 5044654), (8, 2522327), (37, 545368), (74, 272684), (148, 136342), (296, 68171)]