20562269

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 6403747

約数列:

[1, 7, 13, 31, 37, 91, 197, 217, 259, 403, 481, 1147, 1379, 2561, 2821, 3367, 6107, 7289, 8029, 14911, 17927, 42749, 51023, 79391, 94757, 104377, 225959, 555737, 663299, 1581713, 2937467, 20562269]

約数ペア:

[(1, 20562269), (7, 2937467), (13, 1581713), (31, 663299), (37, 555737), (91, 225959), (197, 104377), (217, 94757), (259, 79391), (403, 51023), (481, 42749), (1147, 17927), (1379, 14911), (2561, 8029), (2821, 7289), (3367, 6107)]