20513198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2797}}^1$

素因数の和:3011

約数の個数: 16

約数和(自身を含む): 32568720

約数和(自身を除く): 12055522

約数列:

[1, 2, 19, 38, 193, 386, 2797, 3667, 5594, 7334, 53143, 106286, 539821, 1079642, 10256599, 20513198]

約数ペア:

[(1, 20513198), (2, 10256599), (19, 1079642), (38, 539821), (193, 106286), (386, 53143), (2797, 7334), (3667, 5594)]