20147605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3389}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 25628400

約数和(自身を除く): 5480795

約数列:

[1, 5, 29, 41, 145, 205, 1189, 3389, 5945, 16945, 98281, 138949, 491405, 694745, 4029521, 20147605]

約数ペア:

[(1, 20147605), (5, 4029521), (29, 694745), (41, 491405), (145, 138949), (205, 98281), (1189, 16945), (3389, 5945)]