20924310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 55261440

約数和(自身を除く): 34337130

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 163, 165, 326, 330, 389, 489, 778, 815, 978, 1167, 1630, 1793, 1945, 2334, 2445, 3586, 3890, 4279, 4890, 5379, 5835, 8558, 8965, 10758, 11670, 12837, 17930, 21395, 25674, 26895, 42790, 53790, 63407, 64185, 126814, 128370, 190221, 317035, 380442, 634070, 697477, 951105, 1394954, 1902210, 2092431, 3487385, 4184862, 6974770, 10462155, 20924310]

約数ペア:

[(1, 20924310), (2, 10462155), (3, 6974770), (5, 4184862), (6, 3487385), (10, 2092431), (11, 1902210), (15, 1394954), (22, 951105), (30, 697477), (33, 634070), (55, 380442), (66, 317035), (110, 190221), (163, 128370), (165, 126814), (326, 64185), (330, 63407), (389, 53790), (489, 42790), (778, 26895), (815, 25674), (978, 21395), (1167, 17930), (1630, 12837), (1793, 11670), (1945, 10758), (2334, 8965), (2445, 8558), (3586, 5835), (3890, 5379), (4279, 4890)]