20568968

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4127}}^1$

素因数の和:4229

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 24013432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4127, 4984, 8254, 16508, 28889, 33016, 57778, 115556, 231112, 367303, 734606, 1469212, 2571121, 2938424, 5142242, 10284484, 20568968]

約数ペア:

[(1, 20568968), (2, 10284484), (4, 5142242), (7, 2938424), (8, 2571121), (14, 1469212), (28, 734606), (56, 367303), (89, 231112), (178, 115556), (356, 57778), (623, 33016), (712, 28889), (1246, 16508), (2492, 8254), (4127, 4984)]