20742305965

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 27037612800

約数和(自身を除く): 6295306835

約数列:

[1, 5, 17, 79, 85, 109, 289, 395, 545, 1343, 1445, 1667, 1853, 6715, 8335, 8611, 9265, 22831, 28339, 31501, 43055, 114155, 131693, 141695, 146387, 157505, 181703, 481763, 658465, 731935, 908515, 2238781, 2408815, 2488579, 3088951, 11193905, 12442895, 14354537, 15444755, 38059277, 52512167, 71772685, 190296385, 244027129, 262560835, 1220135645, 4148461193, 20742305965]

約数ペア:

[(1, 20742305965), (5, 4148461193), (17, 1220135645), (79, 262560835), (85, 244027129), (109, 190296385), (289, 71772685), (395, 52512167), (545, 38059277), (1343, 15444755), (1445, 14354537), (1667, 12442895), (1853, 11193905), (6715, 3088951), (8335, 2488579), (8611, 2408815), (9265, 2238781), (22831, 908515), (28339, 731935), (31501, 658465), (43055, 481763), (114155, 181703), (131693, 157505), (141695, 146387)]