20284229

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 25603200

約数和(自身を除く): 5318971

約数列:

[1, 7, 19, 23, 133, 161, 349, 361, 437, 2443, 2527, 3059, 6631, 8027, 8303, 46417, 56189, 58121, 125989, 152513, 881923, 1067591, 2897747, 20284229]

約数ペア:

[(1, 20284229), (7, 2897747), (19, 1067591), (23, 881923), (133, 152513), (161, 125989), (349, 58121), (361, 56189), (437, 46417), (2443, 8303), (2527, 8027), (3059, 6631)]