20566742

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16239658

約数列:

[1, 2, 7, 14, 29, 58, 179, 203, 283, 358, 406, 566, 1253, 1981, 2506, 3962, 5191, 8207, 10382, 16414, 36337, 50657, 57449, 72674, 101314, 114898, 354599, 709198, 1469053, 2938106, 10283371, 20566742]

約数ペア:

[(1, 20566742), (2, 10283371), (7, 2938106), (14, 1469053), (29, 709198), (58, 354599), (179, 114898), (203, 101314), (283, 72674), (358, 57449), (406, 50657), (566, 36337), (1253, 16414), (1981, 10382), (2506, 8207), (3962, 5191)]