20216502558

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{83177}}^1$

素因数の和:83838

約数の個数: 64

約数和(自身を含む): 51423966720

約数和(自身を除く): 31207464162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 643, 1286, 1929, 3858, 4501, 5787, 9002, 11574, 13503, 17361, 27006, 34722, 40509, 81018, 83177, 121527, 166354, 243054, 249531, 499062, 582239, 748593, 1164478, 1497186, 1746717, 2245779, 3493434, 4491558, 5240151, 10480302, 15720453, 31440906, 53482811, 106965622, 160448433, 320896866, 374379677, 481345299, 748759354, 962690598, 1123139031, 1444035897, 2246278062, 2888071794, 3369417093, 6738834186, 10108251279, 20216502558]

約数ペア:

[(1, 20216502558), (2, 10108251279), (3, 6738834186), (6, 3369417093), (7, 2888071794), (9, 2246278062), (14, 1444035897), (18, 1123139031), (21, 962690598), (27, 748759354), (42, 481345299), (54, 374379677), (63, 320896866), (126, 160448433), (189, 106965622), (378, 53482811), (643, 31440906), (1286, 15720453), (1929, 10480302), (3858, 5240151), (4501, 4491558), (5787, 3493434), (9002, 2245779), (11574, 1746717), (13503, 1497186), (17361, 1164478), (27006, 748593), (34722, 582239), (40509, 499062), (81018, 249531), (83177, 243054), (121527, 166354)]