20392995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{541}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 37463040

約数和(自身を除く): 17070045

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 359, 541, 1077, 1623, 1795, 2513, 2705, 3787, 5385, 7539, 8115, 11361, 12565, 18935, 37695, 56805, 194219, 582657, 971095, 1359533, 2913285, 4078599, 6797665, 20392995]

約数ペア:

[(1, 20392995), (3, 6797665), (5, 4078599), (7, 2913285), (15, 1359533), (21, 971095), (35, 582657), (105, 194219), (359, 56805), (541, 37695), (1077, 18935), (1623, 12565), (1795, 11361), (2513, 8115), (2705, 7539), (3787, 5385)]