20159122923

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{319849}}^1$

素因数の和:320051

約数の個数: 24

約数和(自身を含む): 29937960000

約数和(自身を除く): 9778837077

約数列:

[1, 3, 9, 47, 141, 149, 423, 447, 1341, 7003, 21009, 63027, 319849, 959547, 2878641, 15032903, 45098709, 47657501, 135296127, 142972503, 428917509, 2239902547, 6719707641, 20159122923]

約数ペア:

[(1, 20159122923), (3, 6719707641), (9, 2239902547), (47, 428917509), (141, 142972503), (149, 135296127), (423, 47657501), (447, 45098709), (1341, 15032903), (7003, 2878641), (21009, 959547), (63027, 319849)]