20675528

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 40694400

約数和(自身を除く): 20018872

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 313, 359, 626, 718, 1252, 1436, 2504, 2872, 7199, 8257, 14398, 16514, 28796, 33028, 57592, 66056, 112367, 224734, 449468, 898936, 2584441, 5168882, 10337764, 20675528]

約数ペア:

[(1, 20675528), (2, 10337764), (4, 5168882), (8, 2584441), (23, 898936), (46, 449468), (92, 224734), (184, 112367), (313, 66056), (359, 57592), (626, 33028), (718, 28796), (1252, 16514), (1436, 14398), (2504, 8257), (2872, 7199)]