20451618

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103291}}^1$

素因数の和:103310

約数の個数: 24

約数和(自身を含む): 48340656

約数和(自身を除く): 27889038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 103291, 206582, 309873, 619746, 929619, 1136201, 1859238, 2272402, 3408603, 6817206, 10225809, 20451618]

約数ペア:

[(1, 20451618), (2, 10225809), (3, 6817206), (6, 3408603), (9, 2272402), (11, 1859238), (18, 1136201), (22, 929619), (33, 619746), (66, 309873), (99, 206582), (198, 103291)]