20346138

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 45741696

約数和(自身を除く): 25395558

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 97, 129, 194, 258, 271, 291, 387, 542, 582, 774, 813, 873, 1626, 1746, 2439, 4171, 4878, 8342, 11653, 12513, 23306, 25026, 26287, 34959, 37539, 52574, 69918, 75078, 78861, 104877, 157722, 209754, 236583, 473166, 1130341, 2260682, 3391023, 6782046, 10173069, 20346138]

約数ペア:

[(1, 20346138), (2, 10173069), (3, 6782046), (6, 3391023), (9, 2260682), (18, 1130341), (43, 473166), (86, 236583), (97, 209754), (129, 157722), (194, 104877), (258, 78861), (271, 75078), (291, 69918), (387, 52574), (542, 37539), (582, 34959), (774, 26287), (813, 25026), (873, 23306), (1626, 12513), (1746, 11653), (2439, 8342), (4171, 4878)]