20687316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132611}}^1$

素因数の和:132631

約数の個数: 24

約数和(自身を含む): 51983904

約数和(自身を除く): 31296588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132611, 265222, 397833, 530444, 795666, 1591332, 1723943, 3447886, 5171829, 6895772, 10343658, 20687316]

約数ペア:

[(1, 20687316), (2, 10343658), (3, 6895772), (4, 5171829), (6, 3447886), (12, 1723943), (13, 1591332), (26, 795666), (39, 530444), (52, 397833), (78, 265222), (156, 132611)]