20008907529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1\times {\mathrm{15607}}^1$

素因数の和:16157

約数の個数: 32

約数和(自身を含む): 29200195584

約数和(自身を除く): 9191288055

約数列:

[1, 3, 13, 39, 71, 213, 463, 923, 1389, 2769, 6019, 15607, 18057, 32873, 46821, 98619, 202891, 427349, 608673, 1108097, 1282047, 3324291, 7226041, 14405261, 21678123, 43215783, 93938533, 281815599, 513048911, 1539146733, 6669635843, 20008907529]

約数ペア:

[(1, 20008907529), (3, 6669635843), (13, 1539146733), (39, 513048911), (71, 281815599), (213, 93938533), (463, 43215783), (923, 21678123), (1389, 14405261), (2769, 7226041), (6019, 3324291), (15607, 1282047), (18057, 1108097), (32873, 608673), (46821, 427349), (98619, 202891)]