20285655555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{292027}}^1$

素因数の和:292467

約数の個数: 32

約数和(自身を含む): 35491915008

約数和(自身を除く): 15206259453

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 421, 1263, 2105, 4631, 6315, 13893, 23155, 69465, 292027, 876081, 1460135, 3212297, 4380405, 9636891, 16061485, 48184455, 122943367, 368830101, 614716835, 1352377037, 1844150505, 4057131111, 6761885185, 20285655555]

約数ペア:

[(1, 20285655555), (3, 6761885185), (5, 4057131111), (11, 1844150505), (15, 1352377037), (33, 614716835), (55, 368830101), (165, 122943367), (421, 48184455), (1263, 16061485), (2105, 9636891), (4631, 4380405), (6315, 3212297), (13893, 1460135), (23155, 876081), (69465, 292027)]