20801066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36929088

約数和(自身を除く): 16128022

約数列:

[1, 2, 11, 13, 22, 26, 143, 257, 283, 286, 514, 566, 2827, 3113, 3341, 3679, 5654, 6226, 6682, 7358, 36751, 40469, 72731, 73502, 80938, 145462, 800041, 945503, 1600082, 1891006, 10400533, 20801066]

約数ペア:

[(1, 20801066), (2, 10400533), (11, 1891006), (13, 1600082), (22, 945503), (26, 800041), (143, 145462), (257, 80938), (283, 73502), (286, 72731), (514, 40469), (566, 36751), (2827, 7358), (3113, 6682), (3341, 6226), (3679, 5654)]