20884270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 20315570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 373, 509, 746, 1018, 1865, 2545, 3730, 4103, 5090, 5599, 8206, 11198, 20515, 27995, 41030, 55990, 189857, 379714, 949285, 1898570, 2088427, 4176854, 10442135, 20884270]

約数ペア:

[(1, 20884270), (2, 10442135), (5, 4176854), (10, 2088427), (11, 1898570), (22, 949285), (55, 379714), (110, 189857), (373, 55990), (509, 41030), (746, 27995), (1018, 20515), (1865, 11198), (2545, 8206), (3730, 5599), (4103, 5090)]