20339788

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 43283520

約数和(自身を除く): 22943732

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 677, 812, 1036, 1073, 1354, 2146, 2708, 4292, 4739, 7511, 9478, 15022, 18956, 19633, 25049, 30044, 39266, 50098, 78532, 100196, 137431, 175343, 274862, 350686, 549724, 701372, 726421, 1452842, 2905684, 5084947, 10169894, 20339788]

約数ペア:

[(1, 20339788), (2, 10169894), (4, 5084947), (7, 2905684), (14, 1452842), (28, 726421), (29, 701372), (37, 549724), (58, 350686), (74, 274862), (116, 175343), (148, 137431), (203, 100196), (259, 78532), (406, 50098), (518, 39266), (677, 30044), (812, 25049), (1036, 19633), (1073, 18956), (1354, 15022), (2146, 9478), (2708, 7511), (4292, 4739)]