20487632

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1973}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 44059680

約数和(自身を除く): 23572048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 1973, 2596, 3946, 5192, 7892, 10384, 15784, 21703, 31568, 43406, 86812, 116407, 173624, 232814, 347248, 465628, 931256, 1280477, 1862512, 2560954, 5121908, 10243816, 20487632]

約数ペア:

[(1, 20487632), (2, 10243816), (4, 5121908), (8, 2560954), (11, 1862512), (16, 1280477), (22, 931256), (44, 465628), (59, 347248), (88, 232814), (118, 173624), (176, 116407), (236, 86812), (472, 43406), (649, 31568), (944, 21703), (1298, 15784), (1973, 10384), (2596, 7892), (3946, 5192)]