20806926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 50029056

約数和(自身を除く): 29222130

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 43, 82, 86, 123, 129, 246, 258, 281, 287, 301, 562, 574, 602, 843, 861, 903, 1686, 1722, 1763, 1806, 1967, 3526, 3934, 5289, 5901, 10578, 11521, 11802, 12083, 12341, 23042, 24166, 24682, 34563, 36249, 37023, 69126, 72498, 74046, 80647, 84581, 161294, 169162, 241941, 253743, 483882, 495403, 507486, 990806, 1486209, 2972418, 3467821, 6935642, 10403463, 20806926]

約数ペア:

[(1, 20806926), (2, 10403463), (3, 6935642), (6, 3467821), (7, 2972418), (14, 1486209), (21, 990806), (41, 507486), (42, 495403), (43, 483882), (82, 253743), (86, 241941), (123, 169162), (129, 161294), (246, 84581), (258, 80647), (281, 74046), (287, 72498), (301, 69126), (562, 37023), (574, 36249), (602, 34563), (843, 24682), (861, 24166), (903, 23042), (1686, 12341), (1722, 12083), (1763, 11802), (1806, 11521), (1967, 10578), (3526, 5901), (3934, 5289)]