20713812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2971}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 55921152

約数和(自身を除く): 35207340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 2971, 3486, 5942, 6972, 8913, 11884, 17826, 20797, 35652, 41594, 62391, 83188, 124782, 246593, 249564, 493186, 739779, 986372, 1479558, 1726151, 2959116, 3452302, 5178453, 6904604, 10356906, 20713812]

約数ペア:

[(1, 20713812), (2, 10356906), (3, 6904604), (4, 5178453), (6, 3452302), (7, 2959116), (12, 1726151), (14, 1479558), (21, 986372), (28, 739779), (42, 493186), (83, 249564), (84, 246593), (166, 124782), (249, 83188), (332, 62391), (498, 41594), (581, 35652), (996, 20797), (1162, 17826), (1743, 11884), (2324, 8913), (2971, 6972), (3486, 5942)]