20456226

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{859}}^1$

素因数の和:890

約数の個数: 72

約数和(自身を含む): 53529840

約数和(自身を除く): 33073614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 243, 294, 378, 441, 486, 567, 859, 882, 1134, 1323, 1701, 1718, 2577, 2646, 3402, 3969, 5154, 6013, 7731, 7938, 11907, 12026, 15462, 18039, 23193, 23814, 36078, 42091, 46386, 54117, 69579, 84182, 108234, 126273, 139158, 162351, 208737, 252546, 324702, 378819, 417474, 487053, 757638, 974106, 1136457, 1461159, 2272914, 2922318, 3409371, 6818742, 10228113, 20456226]

約数ペア:

[(1, 20456226), (2, 10228113), (3, 6818742), (6, 3409371), (7, 2922318), (9, 2272914), (14, 1461159), (18, 1136457), (21, 974106), (27, 757638), (42, 487053), (49, 417474), (54, 378819), (63, 324702), (81, 252546), (98, 208737), (126, 162351), (147, 139158), (162, 126273), (189, 108234), (243, 84182), (294, 69579), (378, 54117), (441, 46386), (486, 42091), (567, 36078), (859, 23814), (882, 23193), (1134, 18039), (1323, 15462), (1701, 12026), (1718, 11907), (2577, 7938), (2646, 7731), (3402, 6013), (3969, 5154)]