20563272

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3209}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 56335500

約数和(自身を除く): 35772228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 3209, 6408, 6418, 9627, 12836, 19254, 25672, 28881, 38508, 57762, 77016, 115524, 231048, 285601, 571202, 856803, 1142404, 1713606, 2284808, 2570409, 3427212, 5140818, 6854424, 10281636, 20563272]

約数ペア:

[(1, 20563272), (2, 10281636), (3, 6854424), (4, 5140818), (6, 3427212), (8, 2570409), (9, 2284808), (12, 1713606), (18, 1142404), (24, 856803), (36, 571202), (72, 285601), (89, 231048), (178, 115524), (267, 77016), (356, 57762), (534, 38508), (712, 28881), (801, 25672), (1068, 19254), (1602, 12836), (2136, 9627), (3204, 6418), (3209, 6408)]