20713484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 20412916

約数列:

[1, 2, 4, 11, 22, 44, 59, 79, 101, 118, 158, 202, 236, 316, 404, 649, 869, 1111, 1298, 1738, 2222, 2596, 3476, 4444, 4661, 5959, 7979, 9322, 11918, 15958, 18644, 23836, 31916, 51271, 65549, 87769, 102542, 131098, 175538, 205084, 262196, 351076, 470761, 941522, 1883044, 5178371, 10356742, 20713484]

約数ペア:

[(1, 20713484), (2, 10356742), (4, 5178371), (11, 1883044), (22, 941522), (44, 470761), (59, 351076), (79, 262196), (101, 205084), (118, 175538), (158, 131098), (202, 102542), (236, 87769), (316, 65549), (404, 51271), (649, 31916), (869, 23836), (1111, 18644), (1298, 15958), (1738, 11918), (2222, 9322), (2596, 7979), (3476, 5959), (4444, 4661)]