20762728

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9043}}^1$

素因数の和:9097

約数の個数: 32

約数和(自身を含む): 45581760

約数和(自身を除く): 24819032

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9043, 18086, 36172, 63301, 72344, 126602, 253204, 370763, 506408, 741526, 1483052, 2595341, 2966104, 5190682, 10381364, 20762728]

約数ペア:

[(1, 20762728), (2, 10381364), (4, 5190682), (7, 2966104), (8, 2595341), (14, 1483052), (28, 741526), (41, 506408), (56, 370763), (82, 253204), (164, 126602), (287, 72344), (328, 63301), (574, 36172), (1148, 18086), (2296, 9043)]