20807301762

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1288697}}^1$

素因数の和:1288744

約数の個数: 64

約数和(自身を含む): 51960303360

約数和(自身を除く): 31153001598

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1242, 1794, 2691, 5382, 8073, 16146, 1288697, 2577394, 3866091, 7732182, 11598273, 16753061, 23196546, 29640031, 33506122, 34794819, 50259183, 59280062, 69589638, 88920093, 100518366, 150777549, 177840186, 266760279, 301555098, 385320403, 452332647, 533520558, 770640806, 800280837, 904665294, 1155961209, 1600561674, 2311922418, 3467883627, 6935767254, 10403650881, 20807301762]

約数ペア:

[(1, 20807301762), (2, 10403650881), (3, 6935767254), (6, 3467883627), (9, 2311922418), (13, 1600561674), (18, 1155961209), (23, 904665294), (26, 800280837), (27, 770640806), (39, 533520558), (46, 452332647), (54, 385320403), (69, 301555098), (78, 266760279), (117, 177840186), (138, 150777549), (207, 100518366), (234, 88920093), (299, 69589638), (351, 59280062), (414, 50259183), (598, 34794819), (621, 33506122), (702, 29640031), (897, 23196546), (1242, 16753061), (1794, 11598273), (2691, 7732182), (5382, 3866091), (8073, 2577394), (16146, 1288697)]