20757528

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26209}}^1$

素因数の和:26232

約数の個数: 48

約数和(自身を含む): 61331400

約数和(自身を除く): 40573872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26209, 52418, 78627, 104836, 157254, 209672, 235881, 288299, 314508, 471762, 576598, 629016, 864897, 943524, 1153196, 1729794, 1887048, 2306392, 2594691, 3459588, 5189382, 6919176, 10378764, 20757528]

約数ペア:

[(1, 20757528), (2, 10378764), (3, 6919176), (4, 5189382), (6, 3459588), (8, 2594691), (9, 2306392), (11, 1887048), (12, 1729794), (18, 1153196), (22, 943524), (24, 864897), (33, 629016), (36, 576598), (44, 471762), (66, 314508), (72, 288299), (88, 235881), (99, 209672), (132, 157254), (198, 104836), (264, 78627), (396, 52418), (792, 26209)]