20447928

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3191}}^1$

素因数の和:3292

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 35571672

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, 3191, 3204, 6382, 6408, 9573, 12764, 19146, 25528, 28719, 38292, 57438, 76584, 114876, 229752, 283999, 567998, 851997, 1135996, 1703994, 2271992, 2555991, 3407988, 5111982, 6815976, 10223964, 20447928]

約数ペア:

[(1, 20447928), (2, 10223964), (3, 6815976), (4, 5111982), (6, 3407988), (8, 2555991), (9, 2271992), (12, 1703994), (18, 1135996), (24, 851997), (36, 567998), (72, 283999), (89, 229752), (178, 114876), (267, 76584), (356, 57438), (534, 38292), (712, 28719), (801, 25528), (1068, 19146), (1602, 12764), (2136, 9573), (3191, 6408), (3204, 6382)]