20018558

素因数分解:

$2^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{569}}^1$

素因数の和:944

約数の個数: 24

約数和(自身を含む): 35089200

約数和(自身を除く): 15070642

約数列:

[1, 2, 7, 14, 49, 98, 359, 569, 718, 1138, 2513, 3983, 5026, 7966, 17591, 27881, 35182, 55762, 204271, 408542, 1429897, 2859794, 10009279, 20018558]

約数ペア:

[(1, 20018558), (2, 10009279), (7, 2859794), (14, 1429897), (49, 408542), (98, 204271), (359, 55762), (569, 35182), (718, 27881), (1138, 17591), (2513, 7966), (3983, 5026)]