20520174532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{170021}}^1$

素因数の和:170260

約数の個数: 48

約数和(自身を含む): 42388524864

約数和(自身を除く): 21868350332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 211, 286, 422, 572, 844, 2321, 2743, 4642, 5486, 9284, 10972, 30173, 60346, 120692, 170021, 340042, 680084, 1870231, 2210273, 3740462, 4420546, 7480924, 8841092, 24313003, 35874431, 48626006, 71748862, 97252012, 143497724, 394618741, 466367603, 789237482, 932735206, 1578474964, 1865470412, 5130043633, 10260087266, 20520174532]

約数ペア:

[(1, 20520174532), (2, 10260087266), (4, 5130043633), (11, 1865470412), (13, 1578474964), (22, 932735206), (26, 789237482), (44, 466367603), (52, 394618741), (143, 143497724), (211, 97252012), (286, 71748862), (422, 48626006), (572, 35874431), (844, 24313003), (2321, 8841092), (2743, 7480924), (4642, 4420546), (5486, 3740462), (9284, 2210273), (10972, 1870231), (30173, 680084), (60346, 340042), (120692, 170021)]