20292741

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5651}}^1$

素因数の和:5686

約数の個数: 32

約数和(自身を含む): 36172800

約数和(自身を除く): 15880059

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5651, 16953, 39557, 50859, 107369, 118671, 152577, 322107, 356013, 751583, 966321, 1068039, 2254749, 2898963, 6764247, 20292741]

約数ペア:

[(1, 20292741), (3, 6764247), (7, 2898963), (9, 2254749), (19, 1068039), (21, 966321), (27, 751583), (57, 356013), (63, 322107), (133, 152577), (171, 118671), (189, 107369), (399, 50859), (513, 39557), (1197, 16953), (3591, 5651)]