20804924476

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1\times {\mathrm{8783}}^1$

素因数の和:11554

約数の個数: 48

約数和(自身を含む): 42972733440

約数和(自身を除く): 22167808964

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 2729, 5458, 8783, 10916, 17566, 19103, 35132, 38206, 61481, 76412, 84599, 122962, 169198, 245924, 272273, 338396, 544546, 592193, 1089092, 1184386, 1905911, 2368772, 3811822, 7623644, 23968807, 47937614, 95875228, 167781649, 335563298, 671126596, 743033017, 1486066034, 2972132068, 5201231119, 10402462238, 20804924476]

約数ペア:

[(1, 20804924476), (2, 10402462238), (4, 5201231119), (7, 2972132068), (14, 1486066034), (28, 743033017), (31, 671126596), (62, 335563298), (124, 167781649), (217, 95875228), (434, 47937614), (868, 23968807), (2729, 7623644), (5458, 3811822), (8783, 2368772), (10916, 1905911), (17566, 1184386), (19103, 1089092), (35132, 592193), (38206, 544546), (61481, 338396), (76412, 272273), (84599, 245924), (122962, 169198)]