20851532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3061}}^1$

素因数の和:3209

約数の個数: 24

約数和(自身を含む): 39610032

約数和(自身を除く): 18758500

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3061, 3406, 6122, 6812, 12244, 39793, 79586, 159172, 400991, 801982, 1603964, 5212883, 10425766, 20851532]

約数ペア:

[(1, 20851532), (2, 10425766), (4, 5212883), (13, 1603964), (26, 801982), (52, 400991), (131, 159172), (262, 79586), (524, 39793), (1703, 12244), (3061, 6812), (3406, 6122)]