20120497911

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{508903}}^1$

素因数の和:509123

約数の個数: 24

約数和(自身を含む): 30485385216

約数和(自身を除く): 10364887305

約数列:

[1, 3, 9, 23, 69, 191, 207, 573, 1719, 4393, 13179, 39537, 508903, 1526709, 4580127, 11704769, 35114307, 97200473, 105342921, 291601419, 874804257, 2235610879, 6706832637, 20120497911]

約数ペア:

[(1, 20120497911), (3, 6706832637), (9, 2235610879), (23, 874804257), (69, 291601419), (191, 105342921), (207, 97200473), (573, 35114307), (1719, 11704769), (4393, 4580127), (13179, 1526709), (39537, 508903)]