20913486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 47779200

約数和(自身を除く): 26865714

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 529, 599, 759, 1058, 1198, 1518, 1587, 1797, 3174, 3594, 5819, 6589, 11638, 13178, 13777, 17457, 19767, 27554, 34914, 39534, 41331, 82662, 151547, 303094, 316871, 454641, 633742, 909282, 950613, 1901226, 3485581, 6971162, 10456743, 20913486]

約数ペア:

[(1, 20913486), (2, 10456743), (3, 6971162), (6, 3485581), (11, 1901226), (22, 950613), (23, 909282), (33, 633742), (46, 454641), (66, 316871), (69, 303094), (138, 151547), (253, 82662), (506, 41331), (529, 39534), (599, 34914), (759, 27554), (1058, 19767), (1198, 17457), (1518, 13777), (1587, 13178), (1797, 11638), (3174, 6589), (3594, 5819)]