20478384

素因数分解:

$2^4\times 3^2\times {\mathrm{142211}}^1$

素因数の和:142225

約数の個数: 30

約数和(自身を含む): 57311436

約数和(自身を除く): 36833052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142211, 284422, 426633, 568844, 853266, 1137688, 1279899, 1706532, 2275376, 2559798, 3413064, 5119596, 6826128, 10239192, 20478384]

約数ペア:

[(1, 20478384), (2, 10239192), (3, 6826128), (4, 5119596), (6, 3413064), (8, 2559798), (9, 2275376), (12, 1706532), (16, 1279899), (18, 1137688), (24, 853266), (36, 568844), (48, 426633), (72, 284422), (144, 142211)]