2013923020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{15227}}^1$

素因数の和:15642

約数の個数: 48

約数和(自身を含む): 4489823520

約数和(自身を除く): 2475900500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 3890, 6613, 7780, 13226, 15227, 26452, 30454, 33065, 60908, 66130, 76135, 132260, 152270, 258859, 304540, 517718, 1035436, 1294295, 2588590, 5177180, 5923303, 11846606, 23693212, 29616515, 59233030, 100696151, 118466060, 201392302, 402784604, 503480755, 1006961510, 2013923020]

約数ペア:

[(1, 2013923020), (2, 1006961510), (4, 503480755), (5, 402784604), (10, 201392302), (17, 118466060), (20, 100696151), (34, 59233030), (68, 29616515), (85, 23693212), (170, 11846606), (340, 5923303), (389, 5177180), (778, 2588590), (1556, 1294295), (1945, 1035436), (3890, 517718), (6613, 304540), (7780, 258859), (13226, 152270), (15227, 132260), (26452, 76135), (30454, 66130), (33065, 60908)]