20682207

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25253}}^1$

素因数の和:25279

約数の個数: 24

約数和(自身を含む): 36769824

約数和(自身を除く): 16087617

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25253, 75759, 176771, 227277, 328289, 530313, 984867, 1590939, 2298023, 2954601, 6894069, 20682207]

約数ペア:

[(1, 20682207), (3, 6894069), (7, 2954601), (9, 2298023), (13, 1590939), (21, 984867), (39, 530313), (63, 328289), (91, 227277), (117, 176771), (273, 75759), (819, 25253)]