20263240

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{863}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 25459640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 863, 1174, 1726, 2348, 2935, 3452, 4315, 4696, 5870, 6904, 8630, 11740, 17260, 23480, 34520, 506581, 1013162, 2026324, 2532905, 4052648, 5065810, 10131620, 20263240]

約数ペア:

[(1, 20263240), (2, 10131620), (4, 5065810), (5, 4052648), (8, 2532905), (10, 2026324), (20, 1013162), (40, 506581), (587, 34520), (863, 23480), (1174, 17260), (1726, 11740), (2348, 8630), (2935, 6904), (3452, 5870), (4315, 4696)]