20512971384

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{4723}}^1$

素因数の和:4909

約数の個数: 128

約数和(自身を含む): 54198263040

約数和(自身を除く): 33685291656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 67, 73, 74, 111, 134, 146, 148, 201, 219, 222, 268, 292, 296, 402, 438, 444, 536, 584, 804, 876, 888, 1608, 1752, 2479, 2701, 4723, 4891, 4958, 5402, 7437, 8103, 9446, 9782, 9916, 10804, 14169, 14673, 14874, 16206, 18892, 19564, 19832, 21608, 28338, 29346, 29748, 32412, 37784, 39128, 56676, 58692, 59496, 64824, 113352, 117384, 174751, 180967, 316441, 344779, 349502, 361934, 524253, 542901, 632882, 689558, 699004, 723868, 949323, 1034337, 1048506, 1085802, 1265764, 1379116, 1398008, 1447736, 1898646, 2068674, 2097012, 2171604, 2531528, 2758232, 3797292, 4137348, 4194024, 4343208, 7594584, 8274696, 11708317, 12756823, 23100193, 23416634, 25513646, 35124951, 38270469, 46200386, 46833268, 51027292, 69300579, 70249902, 76540938, 92400772, 93666536, 102054584, 138601158, 140499804, 153081876, 184801544, 277202316, 280999608, 306163752, 554404632, 854707141, 1709414282, 2564121423, 3418828564, 5128242846, 6837657128, 10256485692, 20512971384]

約数ペア:

[(1, 20512971384), (2, 10256485692), (3, 6837657128), (4, 5128242846), (6, 3418828564), (8, 2564121423), (12, 1709414282), (24, 854707141), (37, 554404632), (67, 306163752), (73, 280999608), (74, 277202316), (111, 184801544), (134, 153081876), (146, 140499804), (148, 138601158), (201, 102054584), (219, 93666536), (222, 92400772), (268, 76540938), (292, 70249902), (296, 69300579), (402, 51027292), (438, 46833268), (444, 46200386), (536, 38270469), (584, 35124951), (804, 25513646), (876, 23416634), (888, 23100193), (1608, 12756823), (1752, 11708317), (2479, 8274696), (2701, 7594584), (4723, 4343208), (4891, 4194024), (4958, 4137348), (5402, 3797292), (7437, 2758232), (8103, 2531528), (9446, 2171604), (9782, 2097012), (9916, 2068674), (10804, 1898646), (14169, 1447736), (14673, 1398008), (14874, 1379116), (16206, 1265764), (18892, 1085802), (19564, 1048506), (19832, 1034337), (21608, 949323), (28338, 723868), (29346, 699004), (29748, 689558), (32412, 632882), (37784, 542901), (39128, 524253), (56676, 361934), (58692, 349502), (59496, 344779), (64824, 316441), (113352, 180967), (117384, 174751)]