20347184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8893}}^1$

素因数の和:8925

約数の個数: 40

約数和(自身を含む): 46319952

約数和(自身を除く): 25972768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8893, 17786, 35572, 71144, 97823, 115609, 142288, 195646, 231218, 391292, 462436, 782584, 924872, 1271699, 1565168, 1849744, 2543398, 5086796, 10173592, 20347184]

約数ペア:

[(1, 20347184), (2, 10173592), (4, 5086796), (8, 2543398), (11, 1849744), (13, 1565168), (16, 1271699), (22, 924872), (26, 782584), (44, 462436), (52, 391292), (88, 231218), (104, 195646), (143, 142288), (176, 115609), (208, 97823), (286, 71144), (572, 35572), (1144, 17786), (2288, 8893)]