9921014780

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1308841}}^1$

素因数の和:1309229

約数の個数: 24

約数和(自身を含む): 20889118320

約数和(自身を除く): 10968103540

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 1308841, 2617682, 5235364, 6544205, 13088410, 26176820, 496050739, 992101478, 1984202956, 2480253695, 4960507390, 9921014780]

約数ペア:

[(1, 9921014780), (2, 4960507390), (4, 2480253695), (5, 1984202956), (10, 992101478), (20, 496050739), (379, 26176820), (758, 13088410), (1516, 6544205), (1895, 5235364), (3790, 2617682), (7580, 1308841)]