20804738559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{77479}}^1$

素因数の和:77675

約数の個数: 32

約数和(自身を含む): 30942412800

約数和(自身を除く): 10137674241

約数列:

[1, 3, 11, 33, 79, 103, 237, 309, 869, 1133, 2607, 3399, 8137, 24411, 77479, 89507, 232437, 268521, 852269, 2556807, 6120841, 7980337, 18362523, 23941011, 67329251, 87783707, 201987753, 263351121, 630446623, 1891339869, 6934912853, 20804738559]

約数ペア:

[(1, 20804738559), (3, 6934912853), (11, 1891339869), (33, 630446623), (79, 263351121), (103, 201987753), (237, 87783707), (309, 67329251), (869, 23941011), (1133, 18362523), (2607, 7980337), (3399, 6120841), (8137, 2556807), (24411, 852269), (77479, 268521), (89507, 232437)]