20269545

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 33374592

約数和(自身を除く): 13105047

約数列:

[1, 3, 5, 15, 73, 107, 173, 219, 321, 365, 519, 535, 865, 1095, 1605, 2595, 7811, 12629, 18511, 23433, 37887, 39055, 55533, 63145, 92555, 117165, 189435, 277665, 1351303, 4053909, 6756515, 20269545]

約数ペア:

[(1, 20269545), (3, 6756515), (5, 4053909), (15, 1351303), (73, 277665), (107, 189435), (173, 117165), (219, 92555), (321, 63145), (365, 55533), (519, 39055), (535, 37887), (865, 23433), (1095, 18511), (1605, 12629), (2595, 7811)]