20131870905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{670727}}^1$

素因数の和:670790

約数の個数: 48

約数和(自身を含む): 37668084480

約数和(自身を除く): 17536213575

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 667, 1035, 1305, 2001, 3335, 6003, 10005, 30015, 670727, 2012181, 3353635, 6036543, 10060905, 15426721, 19451083, 30182715, 46280163, 58353249, 77133605, 97255415, 138840489, 175059747, 231400815, 291766245, 447374909, 694202445, 875298735, 1342124727, 2236874545, 4026374181, 6710623635, 20131870905]

約数ペア:

[(1, 20131870905), (3, 6710623635), (5, 4026374181), (9, 2236874545), (15, 1342124727), (23, 875298735), (29, 694202445), (45, 447374909), (69, 291766245), (87, 231400815), (115, 175059747), (145, 138840489), (207, 97255415), (261, 77133605), (345, 58353249), (435, 46280163), (667, 30182715), (1035, 19451083), (1305, 15426721), (2001, 10060905), (3335, 6036543), (6003, 3353635), (10005, 2012181), (30015, 670727)]