20210064688

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:707

約数の個数: 120

約数和(自身を含む): 43655643360

約数和(自身を除く): 23445578672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 151, 176, 242, 257, 269, 302, 484, 514, 538, 604, 968, 1028, 1076, 1208, 1661, 1936, 2056, 2152, 2416, 2827, 2959, 3322, 4112, 4304, 5654, 5918, 6644, 11308, 11836, 13288, 18271, 22616, 23672, 26576, 31097, 32549, 36542, 38807, 40619, 45232, 47344, 62194, 65098, 69133, 73084, 77614, 81238, 124388, 130196, 138266, 146168, 155228, 162476, 248776, 260392, 276532, 292336, 310456, 324952, 426877, 446809, 497552, 520784, 553064, 620912, 649904, 760463, 853754, 893618, 1106128, 1520926, 1707508, 1787236, 3041852, 3415016, 3574472, 4695647, 4914899, 6083704, 6830032, 7148944, 8365093, 9391294, 9829798, 10439083, 12167408, 16730186, 18782588, 19659596, 20878166, 33460372, 37565176, 39319192, 41756332, 66920744, 75130352, 78638384, 83512664, 114829913, 133841488, 167025328, 229659826, 459319652, 918639304, 1263129043, 1837278608, 2526258086, 5052516172, 10105032344, 20210064688]

約数ペア:

[(1, 20210064688), (2, 10105032344), (4, 5052516172), (8, 2526258086), (11, 1837278608), (16, 1263129043), (22, 918639304), (44, 459319652), (88, 229659826), (121, 167025328), (151, 133841488), (176, 114829913), (242, 83512664), (257, 78638384), (269, 75130352), (302, 66920744), (484, 41756332), (514, 39319192), (538, 37565176), (604, 33460372), (968, 20878166), (1028, 19659596), (1076, 18782588), (1208, 16730186), (1661, 12167408), (1936, 10439083), (2056, 9829798), (2152, 9391294), (2416, 8365093), (2827, 7148944), (2959, 6830032), (3322, 6083704), (4112, 4914899), (4304, 4695647), (5654, 3574472), (5918, 3415016), (6644, 3041852), (11308, 1787236), (11836, 1707508), (13288, 1520926), (18271, 1106128), (22616, 893618), (23672, 853754), (26576, 760463), (31097, 649904), (32549, 620912), (36542, 553064), (38807, 520784), (40619, 497552), (45232, 446809), (47344, 426877), (62194, 324952), (65098, 310456), (69133, 292336), (73084, 276532), (77614, 260392), (81238, 248776), (124388, 162476), (130196, 155228), (138266, 146168)]