20158645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3011}}^1$

素因数の和:3132

約数の個数: 16

約数和(自身を含む): 26312832

約数和(自身を除く): 6154187

約数列:

[1, 5, 13, 65, 103, 515, 1339, 3011, 6695, 15055, 39143, 195715, 310133, 1550665, 4031729, 20158645]

約数ペア:

[(1, 20158645), (5, 4031729), (13, 1550665), (65, 310133), (103, 195715), (515, 39143), (1339, 15055), (3011, 6695)]