20194708496

素因数分解:

$2^4\times {\mathrm{1861}}^1\times {\mathrm{678221}}^1$

素因数の和:680090

約数の個数: 20

約数和(自身を含む): 39148330284

約数和(自身を除く): 18953621788

約数列:

[1, 2, 4, 8, 16, 1861, 3722, 7444, 14888, 29776, 678221, 1356442, 2712884, 5425768, 10851536, 1262169281, 2524338562, 5048677124, 10097354248, 20194708496]

約数ペア:

[(1, 20194708496), (2, 10097354248), (4, 5048677124), (8, 2524338562), (16, 1262169281), (1861, 10851536), (3722, 5425768), (7444, 2712884), (14888, 1356442), (29776, 678221)]