20553272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1913}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 20789128

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1913, 2686, 3826, 5372, 7652, 10744, 15304, 32521, 65042, 130084, 151127, 260168, 302254, 604508, 1209016, 2569159, 5138318, 10276636, 20553272]

約数ペア:

[(1, 20553272), (2, 10276636), (4, 5138318), (8, 2569159), (17, 1209016), (34, 604508), (68, 302254), (79, 260168), (136, 151127), (158, 130084), (316, 65042), (632, 32521), (1343, 15304), (1913, 10744), (2686, 7652), (3826, 5372)]