20958462

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4057}}^1$

素因数の和:4113

約数の個数: 48

約数和(自身を含む): 53176032

約数和(自身を除く): 32217570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4057, 5166, 8114, 12171, 24342, 28399, 36513, 56798, 73026, 85197, 166337, 170394, 255591, 332674, 499011, 511182, 998022, 1164359, 1497033, 2328718, 2994066, 3493077, 6986154, 10479231, 20958462]

約数ペア:

[(1, 20958462), (2, 10479231), (3, 6986154), (6, 3493077), (7, 2994066), (9, 2328718), (14, 1497033), (18, 1164359), (21, 998022), (41, 511182), (42, 499011), (63, 332674), (82, 255591), (123, 170394), (126, 166337), (246, 85197), (287, 73026), (369, 56798), (574, 36513), (738, 28399), (861, 24342), (1722, 12171), (2583, 8114), (4057, 5166)]