20886248680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47468747}}^1$

素因数の和:47468769

約数の個数: 32

約数和(自身を含む): 51266247840

約数和(自身を除く): 30379999160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47468747, 94937494, 189874988, 237343735, 379749976, 474687470, 522156217, 949374940, 1044312434, 1898749880, 2088624868, 2610781085, 4177249736, 5221562170, 10443124340, 20886248680]

約数ペア:

[(1, 20886248680), (2, 10443124340), (4, 5221562170), (5, 4177249736), (8, 2610781085), (10, 2088624868), (11, 1898749880), (20, 1044312434), (22, 949374940), (40, 522156217), (44, 474687470), (55, 379749976), (88, 237343735), (110, 189874988), (220, 94937494), (440, 47468747)]