20271576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 35611944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1511, 1677, 2236, 3022, 3354, 4472, 4533, 6044, 6708, 9066, 12088, 13416, 18132, 19643, 36264, 39286, 58929, 64973, 78572, 117858, 129946, 157144, 194919, 235716, 259892, 389838, 471432, 519784, 779676, 844649, 1559352, 1689298, 2533947, 3378596, 5067894, 6757192, 10135788, 20271576]

約数ペア:

[(1, 20271576), (2, 10135788), (3, 6757192), (4, 5067894), (6, 3378596), (8, 2533947), (12, 1689298), (13, 1559352), (24, 844649), (26, 779676), (39, 519784), (43, 471432), (52, 389838), (78, 259892), (86, 235716), (104, 194919), (129, 157144), (156, 129946), (172, 117858), (258, 78572), (312, 64973), (344, 58929), (516, 39286), (559, 36264), (1032, 19643), (1118, 18132), (1511, 13416), (1677, 12088), (2236, 9066), (3022, 6708), (3354, 6044), (4472, 4533)]