20288862

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2445

約数の個数: 48

約数和(自身を含む): 49091328

約数和(自身を除く): 28802466

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2383, 2838, 4257, 4766, 7149, 8514, 14298, 21447, 26213, 42894, 52426, 78639, 102469, 157278, 204938, 235917, 307407, 471834, 614814, 922221, 1127159, 1844442, 2254318, 3381477, 6762954, 10144431, 20288862]

約数ペア:

[(1, 20288862), (2, 10144431), (3, 6762954), (6, 3381477), (9, 2254318), (11, 1844442), (18, 1127159), (22, 922221), (33, 614814), (43, 471834), (66, 307407), (86, 235917), (99, 204938), (129, 157278), (198, 102469), (258, 78639), (387, 52426), (473, 42894), (774, 26213), (946, 21447), (1419, 14298), (2383, 8514), (2838, 7149), (4257, 4766)]