20145358611

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1\times {\mathrm{1877}}^1$

素因数の和:2742

約数の個数: 80

約数和(自身を含む): 35950869504

約数和(自身を除く): 15805510893

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 823, 1449, 1863, 1877, 2469, 4347, 5631, 5761, 7407, 13041, 13139, 16893, 17283, 18929, 22221, 39417, 43171, 50679, 51849, 56787, 66663, 118251, 129513, 132503, 152037, 155547, 170361, 302197, 354753, 388539, 397509, 466641, 511083, 906591, 1064259, 1165617, 1192527, 1533249, 1544771, 2719773, 3496851, 3577581, 4634313, 8159319, 10732743, 10813397, 13902939, 24477957, 32440191, 35529733, 41708817, 97320573, 106589199, 125126451, 248708131, 291961719, 319767597, 746124393, 875885157, 959302791, 2238373179, 2877908373, 6715119537, 20145358611]

約数ペア:

[(1, 20145358611), (3, 6715119537), (7, 2877908373), (9, 2238373179), (21, 959302791), (23, 875885157), (27, 746124393), (63, 319767597), (69, 291961719), (81, 248708131), (161, 125126451), (189, 106589199), (207, 97320573), (483, 41708817), (567, 35529733), (621, 32440191), (823, 24477957), (1449, 13902939), (1863, 10813397), (1877, 10732743), (2469, 8159319), (4347, 4634313), (5631, 3577581), (5761, 3496851), (7407, 2719773), (13041, 1544771), (13139, 1533249), (16893, 1192527), (17283, 1165617), (18929, 1064259), (22221, 906591), (39417, 511083), (43171, 466641), (50679, 397509), (51849, 388539), (56787, 354753), (66663, 302197), (118251, 170361), (129513, 155547), (132503, 152037)]