20914060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 47255040

約数和(自身を除く): 26340980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1171, 1786, 2342, 3572, 4465, 4684, 5855, 8930, 11710, 17860, 22249, 23420, 44498, 55037, 88996, 110074, 111245, 220148, 222490, 275185, 444980, 550370, 1045703, 1100740, 2091406, 4182812, 5228515, 10457030, 20914060]

約数ペア:

[(1, 20914060), (2, 10457030), (4, 5228515), (5, 4182812), (10, 2091406), (19, 1100740), (20, 1045703), (38, 550370), (47, 444980), (76, 275185), (94, 222490), (95, 220148), (188, 111245), (190, 110074), (235, 88996), (380, 55037), (470, 44498), (893, 23420), (940, 22249), (1171, 17860), (1786, 11710), (2342, 8930), (3572, 5855), (4465, 4684)]