20131925744

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{31147}}^1$

素因数の和:31390

約数の個数: 80

約数和(自身を含む): 46348224000

約数和(自身を除く): 26216298256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 199, 203, 232, 398, 406, 464, 796, 812, 1393, 1592, 1624, 2786, 3184, 3248, 5572, 5771, 11144, 11542, 22288, 23084, 31147, 40397, 46168, 62294, 80794, 92336, 124588, 161588, 218029, 249176, 323176, 436058, 498352, 646352, 872116, 903263, 1744232, 1806526, 3488464, 3613052, 6198253, 6322841, 7226104, 12396506, 12645682, 14452208, 24793012, 25291364, 43387771, 49586024, 50582728, 86775542, 99172048, 101165456, 173551084, 179749337, 347102168, 359498674, 694204336, 718997348, 1258245359, 1437994696, 2516490718, 2875989392, 5032981436, 10065962872, 20131925744]

約数ペア:

[(1, 20131925744), (2, 10065962872), (4, 5032981436), (7, 2875989392), (8, 2516490718), (14, 1437994696), (16, 1258245359), (28, 718997348), (29, 694204336), (56, 359498674), (58, 347102168), (112, 179749337), (116, 173551084), (199, 101165456), (203, 99172048), (232, 86775542), (398, 50582728), (406, 49586024), (464, 43387771), (796, 25291364), (812, 24793012), (1393, 14452208), (1592, 12645682), (1624, 12396506), (2786, 7226104), (3184, 6322841), (3248, 6198253), (5572, 3613052), (5771, 3488464), (11144, 1806526), (11542, 1744232), (22288, 903263), (23084, 872116), (31147, 646352), (40397, 498352), (46168, 436058), (62294, 323176), (80794, 249176), (92336, 218029), (124588, 161588)]