20667032048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{358703}}^1$

素因数の和:359001

約数の個数: 40

約数和(自身を含む): 43278355008

約数和(自身を除く): 22611322960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 2216, 3601, 4432, 7202, 14404, 28808, 57616, 358703, 717406, 1434812, 2869624, 4663139, 5739248, 9326278, 18652556, 37305112, 74610224, 99360731, 198721462, 397442924, 794885848, 1291689503, 1589771696, 2583379006, 5166758012, 10333516024, 20667032048]

約数ペア:

[(1, 20667032048), (2, 10333516024), (4, 5166758012), (8, 2583379006), (13, 1589771696), (16, 1291689503), (26, 794885848), (52, 397442924), (104, 198721462), (208, 99360731), (277, 74610224), (554, 37305112), (1108, 18652556), (2216, 9326278), (3601, 5739248), (4432, 4663139), (7202, 2869624), (14404, 1434812), (28808, 717406), (57616, 358703)]