20209502

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 24

約数和(自身を含む): 33412176

約数和(自身を除く): 13202674

約数列:

[1, 2, 19, 23, 38, 46, 361, 437, 722, 874, 1217, 2434, 8303, 16606, 23123, 27991, 46246, 55982, 439337, 531829, 878674, 1063658, 10104751, 20209502]

約数ペア:

[(1, 20209502), (2, 10104751), (19, 1063658), (23, 878674), (38, 531829), (46, 439337), (361, 55982), (437, 46246), (722, 27991), (874, 23123), (1217, 16606), (2434, 8303)]