20849922

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1203

約数の個数: 48

約数和(自身を含む): 48659832

約数和(自身を除く): 27809910

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 153, 183, 306, 366, 549, 1037, 1098, 1117, 2074, 2234, 3111, 3351, 6222, 6702, 9333, 10053, 18666, 18989, 20106, 37978, 56967, 68137, 113934, 136274, 170901, 204411, 341802, 408822, 613233, 1158329, 1226466, 2316658, 3474987, 6949974, 10424961, 20849922]

約数ペア:

[(1, 20849922), (2, 10424961), (3, 6949974), (6, 3474987), (9, 2316658), (17, 1226466), (18, 1158329), (34, 613233), (51, 408822), (61, 341802), (102, 204411), (122, 170901), (153, 136274), (183, 113934), (306, 68137), (366, 56967), (549, 37978), (1037, 20106), (1098, 18989), (1117, 18666), (2074, 10053), (2234, 9333), (3111, 6702), (3351, 6222)]