20732764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{691}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 39197648

約数和(自身を除く): 18464884

約数列:

[1, 2, 4, 13, 26, 52, 577, 691, 1154, 1382, 2308, 2764, 7501, 8983, 15002, 17966, 30004, 35932, 398707, 797414, 1594828, 5183191, 10366382, 20732764]

約数ペア:

[(1, 20732764), (2, 10366382), (4, 5183191), (13, 1594828), (26, 797414), (52, 398707), (577, 35932), (691, 30004), (1154, 17966), (1382, 15002), (2308, 8983), (2764, 7501)]