20170832008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{20479}}^1$

素因数の和:20662

約数の個数: 64

約数和(自身を含む): 40609382400

約数和(自身を除く): 20438550392

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 101, 106, 184, 202, 212, 404, 424, 808, 1219, 2323, 2438, 4646, 4876, 5353, 9292, 9752, 10706, 18584, 20479, 21412, 40958, 42824, 81916, 123119, 163832, 246238, 471017, 492476, 942034, 984952, 1085387, 1884068, 2068379, 2170774, 3768136, 4136758, 4341548, 8273516, 8683096, 16547032, 24963901, 47572717, 49927802, 95145434, 99855604, 109624087, 190290868, 199711208, 219248174, 380581736, 438496348, 876992696, 2521354001, 5042708002, 10085416004, 20170832008]

約数ペア:

[(1, 20170832008), (2, 10085416004), (4, 5042708002), (8, 2521354001), (23, 876992696), (46, 438496348), (53, 380581736), (92, 219248174), (101, 199711208), (106, 190290868), (184, 109624087), (202, 99855604), (212, 95145434), (404, 49927802), (424, 47572717), (808, 24963901), (1219, 16547032), (2323, 8683096), (2438, 8273516), (4646, 4341548), (4876, 4136758), (5353, 3768136), (9292, 2170774), (9752, 2068379), (10706, 1884068), (18584, 1085387), (20479, 984952), (21412, 942034), (40958, 492476), (42824, 471017), (81916, 246238), (123119, 163832)]