20455638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1697}}^1$

素因数の和:1757

約数の個数: 48

約数和(自身を含む): 48780144

約数和(自身を除く): 28324506

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1697, 1722, 2009, 3394, 4018, 5091, 6027, 10182, 11879, 12054, 23758, 35637, 69577, 71274, 83153, 139154, 166306, 208731, 249459, 417462, 487039, 498918, 974078, 1461117, 2922234, 3409273, 6818546, 10227819, 20455638]

約数ペア:

[(1, 20455638), (2, 10227819), (3, 6818546), (6, 3409273), (7, 2922234), (14, 1461117), (21, 974078), (41, 498918), (42, 487039), (49, 417462), (82, 249459), (98, 208731), (123, 166306), (147, 139154), (246, 83153), (287, 71274), (294, 69577), (574, 35637), (861, 23758), (1697, 12054), (1722, 11879), (2009, 10182), (3394, 6027), (4018, 5091)]