20026974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26421666

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 79, 138, 158, 167, 237, 253, 334, 474, 501, 506, 759, 869, 1002, 1518, 1738, 1817, 1837, 2607, 3634, 3674, 3841, 5214, 5451, 5511, 7682, 10902, 11022, 11523, 13193, 19987, 23046, 26386, 39579, 39974, 42251, 59961, 79158, 84502, 119922, 126753, 145123, 253506, 290246, 303439, 435369, 606878, 870738, 910317, 1820634, 3337829, 6675658, 10013487, 20026974]

約数ペア:

[(1, 20026974), (2, 10013487), (3, 6675658), (6, 3337829), (11, 1820634), (22, 910317), (23, 870738), (33, 606878), (46, 435369), (66, 303439), (69, 290246), (79, 253506), (138, 145123), (158, 126753), (167, 119922), (237, 84502), (253, 79158), (334, 59961), (474, 42251), (501, 39974), (506, 39579), (759, 26386), (869, 23046), (1002, 19987), (1518, 13193), (1738, 11523), (1817, 11022), (1837, 10902), (2607, 7682), (3634, 5511), (3674, 5451), (3841, 5214)]