20780053558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1\times {\mathrm{11369}}^1$

素因数の和:11964

約数の個数: 32

約数和(自身を含む): 34245348480

約数和(自身を除く): 13465294922

約数列:

[1, 2, 11, 22, 251, 331, 502, 662, 2761, 3641, 5522, 7282, 11369, 22738, 83081, 125059, 166162, 250118, 913891, 1827782, 2853619, 3763139, 5707238, 7526278, 31389809, 41394529, 62779618, 82789058, 944547889, 1889095778, 10390026779, 20780053558]

約数ペア:

[(1, 20780053558), (2, 10390026779), (11, 1889095778), (22, 944547889), (251, 82789058), (331, 62779618), (502, 41394529), (662, 31389809), (2761, 7526278), (3641, 5707238), (5522, 3763139), (7282, 2853619), (11369, 1827782), (22738, 913891), (83081, 250118), (125059, 166162)]