20437274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3806

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17483686

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3761, 5434, 7522, 41371, 48893, 71459, 82742, 97786, 142918, 537823, 786049, 928967, 1075646, 1572098, 1857934, 10218637, 20437274]

約数ペア:

[(1, 20437274), (2, 10218637), (11, 1857934), (13, 1572098), (19, 1075646), (22, 928967), (26, 786049), (38, 537823), (143, 142918), (209, 97786), (247, 82742), (286, 71459), (418, 48893), (494, 41371), (2717, 7522), (3761, 5434)]