20175798040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5667359}}^1$

素因数の和:5667459

約数の個数: 32

約数和(自身を含む): 45905616000

約数和(自身を除く): 25729817960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5667359, 11334718, 22669436, 28336795, 45338872, 56673590, 113347180, 226694360, 504394951, 1008789902, 2017579804, 2521974755, 4035159608, 5043949510, 10087899020, 20175798040]

約数ペア:

[(1, 20175798040), (2, 10087899020), (4, 5043949510), (5, 4035159608), (8, 2521974755), (10, 2017579804), (20, 1008789902), (40, 504394951), (89, 226694360), (178, 113347180), (356, 56673590), (445, 45338872), (712, 28336795), (890, 22669436), (1780, 11334718), (3560, 5667359)]