20838753

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10477}}^1$

素因数の和:10513

約数の個数: 24

約数和(自身を含む): 34325928

約数和(自身を除く): 13487175

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10477, 31431, 94293, 136201, 178109, 408603, 534327, 1225809, 1602981, 2315417, 6946251, 20838753]

約数ペア:

[(1, 20838753), (3, 6946251), (9, 2315417), (13, 1602981), (17, 1225809), (39, 534327), (51, 408603), (117, 178109), (153, 136201), (221, 94293), (663, 31431), (1989, 10477)]