20027799

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 32491368

約数和(自身を除く): 12463569

約数列:

[1, 3, 9, 11, 33, 53, 99, 121, 159, 347, 363, 477, 583, 1041, 1089, 1749, 3123, 3817, 5247, 6413, 11451, 18391, 19239, 34353, 41987, 55173, 57717, 125961, 165519, 202301, 377883, 606903, 1820709, 2225311, 6675933, 20027799]

約数ペア:

[(1, 20027799), (3, 6675933), (9, 2225311), (11, 1820709), (33, 606903), (53, 377883), (99, 202301), (121, 165519), (159, 125961), (347, 57717), (363, 55173), (477, 41987), (583, 34353), (1041, 19239), (1089, 18391), (1749, 11451), (3123, 6413), (3817, 5247)]