20121435347

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1\times {\mathrm{31081}}^1$

素因数の和:33734

約数の個数: 16

約数和(自身を含む): 22819161120

約数和(自身を除く): 2697725773

約数列:

[1, 13, 19, 247, 2621, 31081, 34073, 49799, 404053, 590539, 647387, 7677007, 81463301, 1059022913, 1547802719, 20121435347]

約数ペア:

[(1, 20121435347), (13, 1547802719), (19, 1059022913), (247, 81463301), (2621, 7677007), (31081, 647387), (34073, 590539), (49799, 404053)]