20543936

素因数分解:

$2^6\times 7^2\times {\mathrm{6551}}^1$

素因数の和:6577

約数の個数: 42

約数和(自身を含む): 47429928

約数和(自身を除く): 26885992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6551, 13102, 26204, 45857, 52408, 91714, 104816, 183428, 209632, 320999, 366856, 419264, 641998, 733712, 1283996, 1467424, 2567992, 2934848, 5135984, 10271968, 20543936]

約数ペア:

[(1, 20543936), (2, 10271968), (4, 5135984), (7, 2934848), (8, 2567992), (14, 1467424), (16, 1283996), (28, 733712), (32, 641998), (49, 419264), (56, 366856), (64, 320999), (98, 209632), (112, 183428), (196, 104816), (224, 91714), (392, 52408), (448, 45857), (784, 26204), (1568, 13102), (3136, 6551)]