20528536

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8941}}^1$

素因数の和:8995

約数の個数: 32

約数和(自身を含む): 45067680

約数和(自身を除く): 24539144

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8941, 17882, 35764, 62587, 71528, 125174, 250348, 366581, 500696, 733162, 1466324, 2566067, 2932648, 5132134, 10264268, 20528536]

約数ペア:

[(1, 20528536), (2, 10264268), (4, 5132134), (7, 2932648), (8, 2566067), (14, 1466324), (28, 733162), (41, 500696), (56, 366581), (82, 250348), (164, 125174), (287, 71528), (328, 62587), (574, 35764), (1148, 17882), (2296, 8941)]