20480844

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 49845600

約数和(自身を除く): 29364756

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 229, 257, 348, 458, 514, 687, 771, 916, 1028, 1374, 1542, 2748, 3084, 6641, 7453, 13282, 14906, 19923, 22359, 26564, 29812, 39846, 44718, 58853, 79692, 89436, 117706, 176559, 235412, 353118, 706236, 1706737, 3413474, 5120211, 6826948, 10240422, 20480844]

約数ペア:

[(1, 20480844), (2, 10240422), (3, 6826948), (4, 5120211), (6, 3413474), (12, 1706737), (29, 706236), (58, 353118), (87, 235412), (116, 176559), (174, 117706), (229, 89436), (257, 79692), (348, 58853), (458, 44718), (514, 39846), (687, 29812), (771, 26564), (916, 22359), (1028, 19923), (1374, 14906), (1542, 13282), (2748, 7453), (3084, 6641)]