20545902

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87803}}^1$

素因数の和:87824

約数の個数: 24

約数和(自身を含む): 47940984

約数和(自身を除く): 27395082

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87803, 175606, 263409, 526818, 790227, 1141439, 1580454, 2282878, 3424317, 6848634, 10272951, 20545902]

約数ペア:

[(1, 20545902), (2, 10272951), (3, 6848634), (6, 3424317), (9, 2282878), (13, 1580454), (18, 1141439), (26, 790227), (39, 526818), (78, 263409), (117, 175606), (234, 87803)]