20350288

素因数分解:

$2^4\times 7^2\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 46500372

約数和(自身を除く): 26150084

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 101, 112, 196, 202, 257, 392, 404, 514, 707, 784, 808, 1028, 1414, 1616, 1799, 2056, 2828, 3598, 4112, 4949, 5656, 7196, 9898, 11312, 12593, 14392, 19796, 25186, 25957, 28784, 39592, 50372, 51914, 79184, 100744, 103828, 181699, 201488, 207656, 363398, 415312, 726796, 1271893, 1453592, 2543786, 2907184, 5087572, 10175144, 20350288]

約数ペア:

[(1, 20350288), (2, 10175144), (4, 5087572), (7, 2907184), (8, 2543786), (14, 1453592), (16, 1271893), (28, 726796), (49, 415312), (56, 363398), (98, 207656), (101, 201488), (112, 181699), (196, 103828), (202, 100744), (257, 79184), (392, 51914), (404, 50372), (514, 39592), (707, 28784), (784, 25957), (808, 25186), (1028, 19796), (1414, 14392), (1616, 12593), (1799, 11312), (2056, 9898), (2828, 7196), (3598, 5656), (4112, 4949)]