20499681244

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2383}}^1\times {\mathrm{3889}}^1$

素因数の和:6362

約数の個数: 48

約数和(自身を含む): 41546444800

約数和(自身を除く): 21046763556

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 2383, 3889, 4766, 7778, 9532, 15556, 16681, 27223, 33362, 54446, 66724, 108892, 188257, 307231, 376514, 614462, 753028, 1228924, 1317799, 2150617, 2635598, 4301234, 5271196, 8602468, 9267487, 18534974, 37069948, 64872409, 129744818, 259489636, 732131473, 1464262946, 2928525892, 5124920311, 10249840622, 20499681244]

約数ペア:

[(1, 20499681244), (2, 10249840622), (4, 5124920311), (7, 2928525892), (14, 1464262946), (28, 732131473), (79, 259489636), (158, 129744818), (316, 64872409), (553, 37069948), (1106, 18534974), (2212, 9267487), (2383, 8602468), (3889, 5271196), (4766, 4301234), (7778, 2635598), (9532, 2150617), (15556, 1317799), (16681, 1228924), (27223, 753028), (33362, 614462), (54446, 376514), (66724, 307231), (108892, 188257)]