20403780859

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{5879}}^1$

素因数の和:6088

約数の個数: 48

約数和(自身を含む): 26641198080

約数和(自身を除く): 6237417221

約数列:

[1, 7, 11, 47, 49, 77, 137, 329, 517, 539, 959, 1507, 2303, 3619, 5879, 6439, 6713, 10549, 25333, 41153, 45073, 64669, 70829, 73843, 276313, 288071, 315511, 452683, 495803, 805423, 1934191, 3039443, 3168781, 3470621, 5637961, 8859653, 13539337, 21276101, 37854881, 39465727, 62017571, 148932707, 264984167, 416403691, 434122997, 1854889169, 2914825837, 20403780859]

約数ペア:

[(1, 20403780859), (7, 2914825837), (11, 1854889169), (47, 434122997), (49, 416403691), (77, 264984167), (137, 148932707), (329, 62017571), (517, 39465727), (539, 37854881), (959, 21276101), (1507, 13539337), (2303, 8859653), (3619, 5637961), (5879, 3470621), (6439, 3168781), (6713, 3039443), (10549, 1934191), (25333, 805423), (41153, 495803), (45073, 452683), (64669, 315511), (70829, 288071), (73843, 276313)]