20512385116

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{25741}}^1$

素因数の和:25942

約数の個数: 48

約数和(自身を含む): 37961830368

約数和(自身を除く): 17449445252

約数列:

[1, 2, 4, 41, 43, 82, 86, 113, 164, 172, 226, 452, 1763, 3526, 4633, 4859, 7052, 9266, 9718, 18532, 19436, 25741, 51482, 102964, 199219, 398438, 796876, 1055381, 1106863, 2110762, 2213726, 2908733, 4221524, 4427452, 5817466, 11634932, 45381383, 90762766, 119258053, 125075519, 181525532, 238516106, 250151038, 477032212, 500302076, 5128096279, 10256192558, 20512385116]

約数ペア:

[(1, 20512385116), (2, 10256192558), (4, 5128096279), (41, 500302076), (43, 477032212), (82, 250151038), (86, 238516106), (113, 181525532), (164, 125075519), (172, 119258053), (226, 90762766), (452, 45381383), (1763, 11634932), (3526, 5817466), (4633, 4427452), (4859, 4221524), (7052, 2908733), (9266, 2213726), (9718, 2110762), (18532, 1106863), (19436, 1055381), (25741, 796876), (51482, 398438), (102964, 199219)]