20961015

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13567}}^1$

素因数の和:13678

約数の個数: 16

約数和(自身を含む): 33865728

約数和(自身を除く): 12904713

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13567, 40701, 67835, 203505, 1397401, 4192203, 6987005, 20961015]

約数ペア:

[(1, 20961015), (3, 6987005), (5, 4192203), (15, 1397401), (103, 203505), (309, 67835), (515, 40701), (1545, 13567)]