20533737

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13058583

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 971, 1007, 1113, 2913, 3021, 6797, 7049, 18449, 20391, 21147, 51463, 55347, 129143, 154389, 360241, 387429, 977797, 1080723, 2933391, 6844579, 20533737]

約数ペア:

[(1, 20533737), (3, 6844579), (7, 2933391), (19, 1080723), (21, 977797), (53, 387429), (57, 360241), (133, 154389), (159, 129143), (371, 55347), (399, 51463), (971, 21147), (1007, 20391), (1113, 18449), (2913, 7049), (3021, 6797)]