20058759

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2117

約数の個数: 40

約数和(自身を含む): 36276768

約数和(自身を除く): 16218009

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 2081, 3213, 6243, 9639, 14567, 18729, 35377, 43701, 56187, 106131, 131103, 168561, 247639, 318393, 393309, 742917, 955179, 1179927, 2228751, 2865537, 6686253, 20058759]

約数ペア:

[(1, 20058759), (3, 6686253), (7, 2865537), (9, 2228751), (17, 1179927), (21, 955179), (27, 742917), (51, 393309), (63, 318393), (81, 247639), (119, 168561), (153, 131103), (189, 106131), (357, 56187), (459, 43701), (567, 35377), (1071, 18729), (1377, 14567), (2081, 9639), (3213, 6243)]