20808211744

素因数分解:

$2^5\times {\mathrm{449}}^1\times {\mathrm{457}}^1\times {\mathrm{3169}}^1$

素因数の和:4085

約数の個数: 48

約数和(自身を含む): 41160231000

約数和(自身を除く): 20352019256

約数列:

[1, 2, 4, 8, 16, 32, 449, 457, 898, 914, 1796, 1828, 3169, 3592, 3656, 6338, 7184, 7312, 12676, 14368, 14624, 25352, 50704, 101408, 205193, 410386, 820772, 1422881, 1448233, 1641544, 2845762, 2896466, 3283088, 5691524, 5792932, 6566176, 11383048, 11585864, 22766096, 23171728, 45532192, 46343456, 650256617, 1300513234, 2601026468, 5202052936, 10404105872, 20808211744]

約数ペア:

[(1, 20808211744), (2, 10404105872), (4, 5202052936), (8, 2601026468), (16, 1300513234), (32, 650256617), (449, 46343456), (457, 45532192), (898, 23171728), (914, 22766096), (1796, 11585864), (1828, 11383048), (3169, 6566176), (3592, 5792932), (3656, 5691524), (6338, 3283088), (7184, 2896466), (7312, 2845762), (12676, 1641544), (14368, 1448233), (14624, 1422881), (25352, 820772), (50704, 410386), (101408, 205193)]