20950839

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8527}}^1$

素因数の和:8556

約数の個数: 32

約数和(自身を含む): 38205440

約数和(自身を除く): 17254601

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8527, 25581, 59689, 76743, 110851, 179067, 230229, 332553, 537201, 775957, 997659, 1611603, 2327871, 2992977, 6983613, 20950839]

約数ペア:

[(1, 20950839), (3, 6983613), (7, 2992977), (9, 2327871), (13, 1611603), (21, 997659), (27, 775957), (39, 537201), (63, 332553), (91, 230229), (117, 179067), (189, 110851), (273, 76743), (351, 59689), (819, 25581), (2457, 8527)]