20549936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2057

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 23643664

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 1979, 2596, 3958, 5192, 7916, 10384, 15832, 21769, 31664, 43538, 87076, 116761, 174152, 233522, 348304, 467044, 934088, 1284371, 1868176, 2568742, 5137484, 10274968, 20549936]

約数ペア:

[(1, 20549936), (2, 10274968), (4, 5137484), (8, 2568742), (11, 1868176), (16, 1284371), (22, 934088), (44, 467044), (59, 348304), (88, 233522), (118, 174152), (176, 116761), (236, 87076), (472, 43538), (649, 31664), (944, 21769), (1298, 15832), (1979, 10384), (2596, 7916), (3958, 5192)]