20381330379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263437}}^1$

素因数の和:263535

約数の個数: 32

約数和(自身を含む): 30272187456

約数和(自身を除く): 9890857077

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 629, 697, 1517, 1887, 2091, 4551, 25789, 77367, 263437, 790311, 4478429, 9747169, 10800917, 13435287, 29241507, 32402751, 165701873, 183615589, 399633929, 497105619, 550846767, 1198901787, 6793776793, 20381330379]

約数ペア:

[(1, 20381330379), (3, 6793776793), (17, 1198901787), (37, 550846767), (41, 497105619), (51, 399633929), (111, 183615589), (123, 165701873), (629, 32402751), (697, 29241507), (1517, 13435287), (1887, 10800917), (2091, 9747169), (4551, 4478429), (25789, 790311), (77367, 263437)]