20508462

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87643}}^1$

素因数の和:87664

約数の個数: 24

約数和(自身を含む): 47853624

約数和(自身を除く): 27345162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87643, 175286, 262929, 525858, 788787, 1139359, 1577574, 2278718, 3418077, 6836154, 10254231, 20508462]

約数ペア:

[(1, 20508462), (2, 10254231), (3, 6836154), (6, 3418077), (9, 2278718), (13, 1577574), (18, 1139359), (26, 788787), (39, 525858), (78, 262929), (117, 175286), (234, 87643)]