20149081672

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9800137}}^1$

素因数の和:9800400

約数の個数: 16

約数和(自身を含む): 37926534060

約数和(自身を除く): 17777452388

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9800137, 19600274, 39200548, 78401096, 2518635209, 5037270418, 10074540836, 20149081672]

約数ペア:

[(1, 20149081672), (2, 10074540836), (4, 5037270418), (8, 2518635209), (257, 78401096), (514, 39200548), (1028, 19600274), (2056, 9800137)]