20051504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1931}}^1$

素因数の和:2009

約数の個数: 40

約数和(自身を含む): 43122240

約数和(自身を除く): 23070736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 1931, 2596, 3862, 5192, 7724, 10384, 15448, 21241, 30896, 42482, 84964, 113929, 169928, 227858, 339856, 455716, 911432, 1253219, 1822864, 2506438, 5012876, 10025752, 20051504]

約数ペア:

[(1, 20051504), (2, 10025752), (4, 5012876), (8, 2506438), (11, 1822864), (16, 1253219), (22, 911432), (44, 455716), (59, 339856), (88, 227858), (118, 169928), (176, 113929), (236, 84964), (472, 42482), (649, 30896), (944, 21241), (1298, 15448), (1931, 10384), (2596, 7724), (3862, 5192)]