20530016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2903}}^1$

素因数の和:2943

約数の個数: 48

約数和(自身を含む): 46103904

約数和(自身を除く): 25573888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2903, 3536, 5806, 7072, 11612, 23224, 37739, 46448, 49351, 75478, 92896, 98702, 150956, 197404, 301912, 394808, 603824, 641563, 789616, 1207648, 1283126, 1579232, 2566252, 5132504, 10265008, 20530016]

約数ペア:

[(1, 20530016), (2, 10265008), (4, 5132504), (8, 2566252), (13, 1579232), (16, 1283126), (17, 1207648), (26, 789616), (32, 641563), (34, 603824), (52, 394808), (68, 301912), (104, 197404), (136, 150956), (208, 98702), (221, 92896), (272, 75478), (416, 49351), (442, 46448), (544, 37739), (884, 23224), (1768, 11612), (2903, 7072), (3536, 5806)]