20788896747

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{4759}}^1$

素因数の和:5143

約数の個数: 32

約数和(自身を含む): 28545986560

約数和(自身を除く): 7757089813

約数列:

[1, 3, 67, 103, 201, 211, 309, 633, 4759, 6901, 14137, 14277, 20703, 21733, 42411, 65199, 318853, 490177, 956559, 1004149, 1456111, 1470531, 3012447, 4368333, 32841859, 67277983, 98525577, 103427347, 201833949, 310282041, 6929632249, 20788896747]

約数ペア:

[(1, 20788896747), (3, 6929632249), (67, 310282041), (103, 201833949), (201, 103427347), (211, 98525577), (309, 67277983), (633, 32841859), (4759, 4368333), (6901, 3012447), (14137, 1470531), (14277, 1456111), (20703, 1004149), (21733, 956559), (42411, 490177), (65199, 318853)]