20767552

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 56

約数和(自身を含む): 44983400

約数和(自身を除く): 24215848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 208, 218, 229, 416, 436, 458, 832, 872, 916, 1417, 1744, 1832, 2834, 2977, 3488, 3664, 5668, 5954, 6976, 7328, 11336, 11908, 14656, 22672, 23816, 24961, 45344, 47632, 49922, 90688, 95264, 99844, 190528, 199688, 324493, 399376, 648986, 798752, 1297972, 1597504, 2595944, 5191888, 10383776, 20767552]

約数ペア:

[(1, 20767552), (2, 10383776), (4, 5191888), (8, 2595944), (13, 1597504), (16, 1297972), (26, 798752), (32, 648986), (52, 399376), (64, 324493), (104, 199688), (109, 190528), (208, 99844), (218, 95264), (229, 90688), (416, 49922), (436, 47632), (458, 45344), (832, 24961), (872, 23816), (916, 22672), (1417, 14656), (1744, 11908), (1832, 11336), (2834, 7328), (2977, 6976), (3488, 5954), (3664, 5668)]