20947686

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 22770714

約数列:

[1, 2, 3, 6, 29, 58, 87, 131, 174, 262, 393, 786, 919, 1838, 2757, 3799, 5514, 7598, 11397, 22794, 26651, 53302, 79953, 120389, 159906, 240778, 361167, 722334, 3491281, 6982562, 10473843, 20947686]

約数ペア:

[(1, 20947686), (2, 10473843), (3, 6982562), (6, 3491281), (29, 722334), (58, 361167), (87, 240778), (131, 159906), (174, 120389), (262, 79953), (393, 53302), (786, 26651), (919, 22794), (1838, 11397), (2757, 7598), (3799, 5514)]