20381340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48527}}^1$

素因数の和:48546

約数の個数: 48

約数和(自身を含む): 65221632

約数和(自身を除く): 44840292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48527, 97054, 145581, 194108, 242635, 291162, 339689, 485270, 582324, 679378, 727905, 970540, 1019067, 1358756, 1455810, 1698445, 2038134, 2911620, 3396890, 4076268, 5095335, 6793780, 10190670, 20381340]

約数ペア:

[(1, 20381340), (2, 10190670), (3, 6793780), (4, 5095335), (5, 4076268), (6, 3396890), (7, 2911620), (10, 2038134), (12, 1698445), (14, 1455810), (15, 1358756), (20, 1019067), (21, 970540), (28, 727905), (30, 679378), (35, 582324), (42, 485270), (60, 339689), (70, 291162), (84, 242635), (105, 194108), (140, 145581), (210, 97054), (420, 48527)]