20754111

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12630849

約数列:

[1, 3, 7, 21, 29, 53, 87, 159, 203, 371, 609, 643, 1113, 1537, 1929, 4501, 4611, 10759, 13503, 18647, 32277, 34079, 55941, 102237, 130529, 238553, 391587, 715659, 988291, 2964873, 6918037, 20754111]

約数ペア:

[(1, 20754111), (3, 6918037), (7, 2964873), (21, 988291), (29, 715659), (53, 391587), (87, 238553), (159, 130529), (203, 102237), (371, 55941), (609, 34079), (643, 32277), (1113, 18647), (1537, 13503), (1929, 10759), (4501, 4611)]