20187193744

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 40286885760

約数和(自身を除く): 20099692016

約数列:

[1, 2, 4, 8, 16, 53, 106, 211, 212, 257, 422, 424, 439, 514, 844, 848, 878, 1028, 1688, 1756, 2056, 3376, 3512, 4112, 7024, 11183, 13621, 22366, 23267, 27242, 44732, 46534, 54227, 54484, 89464, 92629, 93068, 108454, 108968, 112823, 178928, 185258, 186136, 216908, 217936, 225646, 370516, 372272, 433816, 451292, 741032, 867632, 902584, 1482064, 1805168, 2874031, 4909337, 5748062, 5979619, 9818674, 11496124, 11959238, 19637348, 22992248, 23805653, 23918476, 39274696, 45984496, 47611306, 47836952, 78549392, 95222612, 95673904, 190445224, 380890448, 1261699609, 2523399218, 5046798436, 10093596872, 20187193744]

約数ペア:

[(1, 20187193744), (2, 10093596872), (4, 5046798436), (8, 2523399218), (16, 1261699609), (53, 380890448), (106, 190445224), (211, 95673904), (212, 95222612), (257, 78549392), (422, 47836952), (424, 47611306), (439, 45984496), (514, 39274696), (844, 23918476), (848, 23805653), (878, 22992248), (1028, 19637348), (1688, 11959238), (1756, 11496124), (2056, 9818674), (3376, 5979619), (3512, 5748062), (4112, 4909337), (7024, 2874031), (11183, 1805168), (13621, 1482064), (22366, 902584), (23267, 867632), (27242, 741032), (44732, 451292), (46534, 433816), (54227, 372272), (54484, 370516), (89464, 225646), (92629, 217936), (93068, 216908), (108454, 186136), (108968, 185258), (112823, 178928)]