20796821720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22605241}}^1$

素因数の和:22605275

約数の個数: 32

約数和(自身を含む): 48827322720

約数和(自身を除く): 28030501000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22605241, 45210482, 90420964, 113026205, 180841928, 226052410, 452104820, 519920543, 904209640, 1039841086, 2079682172, 2599602715, 4159364344, 5199205430, 10398410860, 20796821720]

約数ペア:

[(1, 20796821720), (2, 10398410860), (4, 5199205430), (5, 4159364344), (8, 2599602715), (10, 2079682172), (20, 1039841086), (23, 904209640), (40, 519920543), (46, 452104820), (92, 226052410), (115, 180841928), (184, 113026205), (230, 90420964), (460, 45210482), (920, 22605241)]