20237778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2439

約数の個数: 48

約数和(自身を含む): 48967776

約数和(自身を除く): 28729998

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2377, 2838, 4257, 4754, 7131, 8514, 14262, 21393, 26147, 42786, 52294, 78441, 102211, 156882, 204422, 235323, 306633, 470646, 613266, 919899, 1124321, 1839798, 2248642, 3372963, 6745926, 10118889, 20237778]

約数ペア:

[(1, 20237778), (2, 10118889), (3, 6745926), (6, 3372963), (9, 2248642), (11, 1839798), (18, 1124321), (22, 919899), (33, 613266), (43, 470646), (66, 306633), (86, 235323), (99, 204422), (129, 156882), (198, 102211), (258, 78441), (387, 52294), (473, 42786), (774, 26147), (946, 21393), (1419, 14262), (2377, 8514), (2838, 7131), (4257, 4754)]