20175595825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{143573}}^1$

素因数の和:143674

約数の個数: 48

約数和(自身を含む): 31618440576

約数和(自身を除く): 11442844751

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 175, 275, 365, 385, 511, 803, 1825, 1925, 2555, 4015, 5621, 12775, 20075, 28105, 140525, 143573, 717865, 1005011, 1579303, 3589325, 5025055, 7896515, 10480829, 11055121, 25125275, 39482575, 52404145, 55275605, 73365803, 115289119, 262020725, 276378025, 366829015, 576445595, 807023833, 1834145075, 2882227975, 4035119165, 20175595825]

約数ペア:

[(1, 20175595825), (5, 4035119165), (7, 2882227975), (11, 1834145075), (25, 807023833), (35, 576445595), (55, 366829015), (73, 276378025), (77, 262020725), (175, 115289119), (275, 73365803), (365, 55275605), (385, 52404145), (511, 39482575), (803, 25125275), (1825, 11055121), (1925, 10480829), (2555, 7896515), (4015, 5025055), (5621, 3589325), (12775, 1579303), (20075, 1005011), (28105, 717865), (140525, 143573)]