20091216

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4703}}^1$

素因数の和:4803

約数の個数: 40

約数和(自身を含む): 52496640

約数和(自身を除く): 32405424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4703, 9406, 14109, 18812, 28218, 37624, 56436, 75248, 112872, 225744, 418567, 837134, 1255701, 1674268, 2511402, 3348536, 5022804, 6697072, 10045608, 20091216]

約数ペア:

[(1, 20091216), (2, 10045608), (3, 6697072), (4, 5022804), (6, 3348536), (8, 2511402), (12, 1674268), (16, 1255701), (24, 837134), (48, 418567), (89, 225744), (178, 112872), (267, 75248), (356, 56436), (534, 37624), (712, 28218), (1068, 18812), (1424, 14109), (2136, 9406), (4272, 4703)]