20994296

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64007}}^1$

素因数の和:64054

約数の個数: 16

約数和(自身を含む): 40325040

約数和(自身を除く): 19330744

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64007, 128014, 256028, 512056, 2624287, 5248574, 10497148, 20994296]

約数ペア:

[(1, 20994296), (2, 10497148), (4, 5248574), (8, 2624287), (41, 512056), (82, 256028), (164, 128014), (328, 64007)]