20972835

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35851}}^1$

素因数の和:35875

約数の個数: 24

約数和(自身を含む): 39150384

約数和(自身を除く): 18177549

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35851, 107553, 179255, 322659, 466063, 537765, 1398189, 1613295, 2330315, 4194567, 6990945, 20972835]

約数ペア:

[(1, 20972835), (3, 6990945), (5, 4194567), (9, 2330315), (13, 1613295), (15, 1398189), (39, 537765), (45, 466063), (65, 322659), (117, 179255), (195, 107553), (585, 35851)]