20122984

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12391}}^1$

素因数の和:12433

約数の個数: 32

約数和(自身を含む): 44611200

約数和(自身を除く): 24488216

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12391, 24782, 49564, 86737, 99128, 173474, 346948, 359339, 693896, 718678, 1437356, 2515373, 2874712, 5030746, 10061492, 20122984]

約数ペア:

[(1, 20122984), (2, 10061492), (4, 5030746), (7, 2874712), (8, 2515373), (14, 1437356), (28, 718678), (29, 693896), (56, 359339), (58, 346948), (116, 173474), (203, 99128), (232, 86737), (406, 49564), (812, 24782), (1624, 12391)]