20539456

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 84

約数和(自身を含む): 49548288

約数和(自身を除く): 29008832

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 127, 133, 152, 224, 254, 266, 304, 361, 448, 508, 532, 608, 722, 889, 1016, 1064, 1216, 1444, 1778, 2032, 2128, 2413, 2527, 2888, 3556, 4064, 4256, 4826, 5054, 5776, 7112, 8128, 8512, 9652, 10108, 11552, 14224, 16891, 19304, 20216, 23104, 28448, 33782, 38608, 40432, 45847, 56896, 67564, 77216, 80864, 91694, 135128, 154432, 161728, 183388, 270256, 320929, 366776, 540512, 641858, 733552, 1081024, 1283716, 1467104, 2567432, 2934208, 5134864, 10269728, 20539456]

約数ペア:

[(1, 20539456), (2, 10269728), (4, 5134864), (7, 2934208), (8, 2567432), (14, 1467104), (16, 1283716), (19, 1081024), (28, 733552), (32, 641858), (38, 540512), (56, 366776), (64, 320929), (76, 270256), (112, 183388), (127, 161728), (133, 154432), (152, 135128), (224, 91694), (254, 80864), (266, 77216), (304, 67564), (361, 56896), (448, 45847), (508, 40432), (532, 38608), (608, 33782), (722, 28448), (889, 23104), (1016, 20216), (1064, 19304), (1216, 16891), (1444, 14224), (1778, 11552), (2032, 10108), (2128, 9652), (2413, 8512), (2527, 8128), (2888, 7112), (3556, 5776), (4064, 5054), (4256, 4826)]