20409378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2837}}^1$

素因数の和:2962

約数の個数: 32

約数和(自身を含む): 44953920

約数和(自身を除く): 24544542

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 218, 327, 654, 1199, 2398, 2837, 3597, 5674, 7194, 8511, 17022, 31207, 62414, 93621, 187242, 309233, 618466, 927699, 1855398, 3401563, 6803126, 10204689, 20409378]

約数ペア:

[(1, 20409378), (2, 10204689), (3, 6803126), (6, 3401563), (11, 1855398), (22, 927699), (33, 618466), (66, 309233), (109, 187242), (218, 93621), (327, 62414), (654, 31207), (1199, 17022), (2398, 8511), (2837, 7194), (3597, 5674)]