20011288336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1\times {\mathrm{3041}}^1$

素因数の和:4940

約数の個数: 80

約数和(自身を含む): 44248761648

約数和(自身を除く): 24237473312

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 1861, 3041, 3536, 3722, 6082, 7444, 12164, 14888, 24193, 24328, 29776, 31637, 39533, 48386, 48656, 51697, 63274, 79066, 96772, 103394, 126548, 158132, 193544, 206788, 253096, 316264, 387088, 411281, 413576, 506192, 632528, 672061, 822562, 827152, 1344122, 1645124, 2688244, 3290248, 5376488, 5659301, 6580496, 10752976, 11318602, 22637204, 45274408, 73570913, 90548816, 96208117, 147141826, 192416234, 294283652, 384832468, 588567304, 769664936, 1177134608, 1250705521, 1539329872, 2501411042, 5002822084, 10005644168, 20011288336]

約数ペア:

[(1, 20011288336), (2, 10005644168), (4, 5002822084), (8, 2501411042), (13, 1539329872), (16, 1250705521), (17, 1177134608), (26, 769664936), (34, 588567304), (52, 384832468), (68, 294283652), (104, 192416234), (136, 147141826), (208, 96208117), (221, 90548816), (272, 73570913), (442, 45274408), (884, 22637204), (1768, 11318602), (1861, 10752976), (3041, 6580496), (3536, 5659301), (3722, 5376488), (6082, 3290248), (7444, 2688244), (12164, 1645124), (14888, 1344122), (24193, 827152), (24328, 822562), (29776, 672061), (31637, 632528), (39533, 506192), (48386, 413576), (48656, 411281), (51697, 387088), (63274, 316264), (79066, 253096), (96772, 206788), (103394, 193544), (126548, 158132)]