20665168

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44537}}^1$

素因数の和:44574

約数の個数: 20

約数和(自身を含む): 41420340

約数和(自身を除く): 20755172

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44537, 89074, 178148, 356296, 712592, 1291573, 2583146, 5166292, 10332584, 20665168]

約数ペア:

[(1, 20665168), (2, 10332584), (4, 5166292), (8, 2583146), (16, 1291573), (29, 712592), (58, 356296), (116, 178148), (232, 89074), (464, 44537)]