20163893608

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{397}}^1\times {\mathrm{17021}}^1$

素因数の和:17797

約数の個数: 32

約数和(自身を含む): 38006381160

約数和(自身を除く): 17842487552

約数列:

[1, 2, 4, 8, 373, 397, 746, 794, 1492, 1588, 2984, 3176, 17021, 34042, 68084, 136168, 148081, 296162, 592324, 1184648, 6348833, 6757337, 12697666, 13514674, 25395332, 27029348, 50790664, 54058696, 2520486701, 5040973402, 10081946804, 20163893608]

約数ペア:

[(1, 20163893608), (2, 10081946804), (4, 5040973402), (8, 2520486701), (373, 54058696), (397, 50790664), (746, 27029348), (794, 25395332), (1492, 13514674), (1588, 12697666), (2984, 6757337), (3176, 6348833), (17021, 1184648), (34042, 592324), (68084, 296162), (136168, 148081)]