20689942

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18017258

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1439, 2054, 2878, 7189, 10073, 14378, 18707, 20146, 37414, 113681, 130949, 227362, 261898, 795767, 1477853, 1591534, 2955706, 10344971, 20689942]

約数ペア:

[(1, 20689942), (2, 10344971), (7, 2955706), (13, 1591534), (14, 1477853), (26, 795767), (79, 261898), (91, 227362), (158, 130949), (182, 113681), (553, 37414), (1027, 20146), (1106, 18707), (1439, 14378), (2054, 10073), (2878, 7189)]