20209542717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2801}}^1$

素因数の和:2963

約数の個数: 96

約数和(自身を含む): 35442385920

約数和(自身を除く): 15232843203

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 107, 133, 169, 247, 273, 321, 399, 507, 741, 749, 1183, 1391, 1729, 2033, 2247, 2801, 3211, 3549, 4173, 5187, 6099, 8403, 9633, 9737, 14231, 18083, 19607, 22477, 26429, 29211, 36413, 42693, 53219, 54249, 58821, 67431, 79287, 109239, 126581, 159657, 185003, 254891, 299707, 343577, 372533, 379743, 473369, 555009, 691847, 764673, 899121, 1030731, 1117599, 1420107, 2075541, 2097949, 2405039, 3313583, 3896191, 4842929, 5694433, 6293847, 7215117, 8994011, 9940749, 11688573, 14528787, 17083299, 26982033, 27273337, 39861031, 50650483, 62958077, 74027629, 81820011, 119583093, 151951449, 188874231, 222082887, 354553381, 518193403, 962359177, 1063660143, 1554580209, 2887077531, 6736514239, 20209542717]

約数ペア:

[(1, 20209542717), (3, 6736514239), (7, 2887077531), (13, 1554580209), (19, 1063660143), (21, 962359177), (39, 518193403), (57, 354553381), (91, 222082887), (107, 188874231), (133, 151951449), (169, 119583093), (247, 81820011), (273, 74027629), (321, 62958077), (399, 50650483), (507, 39861031), (741, 27273337), (749, 26982033), (1183, 17083299), (1391, 14528787), (1729, 11688573), (2033, 9940749), (2247, 8994011), (2801, 7215117), (3211, 6293847), (3549, 5694433), (4173, 4842929), (5187, 3896191), (6099, 3313583), (8403, 2405039), (9633, 2097949), (9737, 2075541), (14231, 1420107), (18083, 1117599), (19607, 1030731), (22477, 899121), (26429, 764673), (29211, 691847), (36413, 555009), (42693, 473369), (53219, 379743), (54249, 372533), (58821, 343577), (67431, 299707), (79287, 254891), (109239, 185003), (126581, 159657)]