20138256

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1307}}^1$

素因数の和:1428

約数の個数: 60

約数和(自身を含む): 56929392

約数和(自身を除く): 36791136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1284, 1307, 1712, 1926, 2568, 2614, 3852, 3921, 5136, 5228, 7704, 7842, 10456, 11763, 15408, 15684, 20912, 23526, 31368, 47052, 62736, 94104, 139849, 188208, 279698, 419547, 559396, 839094, 1118792, 1258641, 1678188, 2237584, 2517282, 3356376, 5034564, 6712752, 10069128, 20138256]

約数ペア:

[(1, 20138256), (2, 10069128), (3, 6712752), (4, 5034564), (6, 3356376), (8, 2517282), (9, 2237584), (12, 1678188), (16, 1258641), (18, 1118792), (24, 839094), (36, 559396), (48, 419547), (72, 279698), (107, 188208), (144, 139849), (214, 94104), (321, 62736), (428, 47052), (642, 31368), (856, 23526), (963, 20912), (1284, 15684), (1307, 15408), (1712, 11763), (1926, 10456), (2568, 7842), (2614, 7704), (3852, 5228), (3921, 5136)]