20505332

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 20318668

約数列:

[1, 2, 4, 17, 19, 34, 38, 59, 68, 76, 118, 236, 269, 323, 538, 646, 1003, 1076, 1121, 1292, 2006, 2242, 4012, 4484, 4573, 5111, 9146, 10222, 15871, 18292, 19057, 20444, 31742, 38114, 63484, 76228, 86887, 173774, 269807, 301549, 347548, 539614, 603098, 1079228, 1206196, 5126333, 10252666, 20505332]

約数ペア:

[(1, 20505332), (2, 10252666), (4, 5126333), (17, 1206196), (19, 1079228), (34, 603098), (38, 539614), (59, 347548), (68, 301549), (76, 269807), (118, 173774), (236, 86887), (269, 76228), (323, 63484), (538, 38114), (646, 31742), (1003, 20444), (1076, 19057), (1121, 18292), (1292, 15871), (2006, 10222), (2242, 9146), (4012, 5111), (4484, 4573)]