20321091

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 34867200

約数和(自身を除く): 14546109

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1361, 1659, 2133, 4083, 4977, 9527, 12249, 14931, 28581, 36747, 85743, 107519, 257229, 322557, 752633, 967671, 2257899, 2903013, 6773697, 20321091]

約数ペア:

[(1, 20321091), (3, 6773697), (7, 2903013), (9, 2257899), (21, 967671), (27, 752633), (63, 322557), (79, 257229), (189, 107519), (237, 85743), (553, 36747), (711, 28581), (1361, 14931), (1659, 12249), (2133, 9527), (4083, 4977)]