20163860405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{27631}}^1$

素因数の和:27861

約数の個数: 32

約数和(自身を含む): 26553246720

約数和(自身を除く): 6389386315

約数列:

[1, 5, 13, 65, 103, 109, 515, 545, 1339, 1417, 6695, 7085, 11227, 27631, 56135, 138155, 145951, 359203, 729755, 1796015, 2845993, 3011779, 14229965, 15058895, 36997909, 39153127, 184989545, 195765635, 310213237, 1551066185, 4032772081, 20163860405]

約数ペア:

[(1, 20163860405), (5, 4032772081), (13, 1551066185), (65, 310213237), (103, 195765635), (109, 184989545), (515, 39153127), (545, 36997909), (1339, 15058895), (1417, 14229965), (6695, 3011779), (7085, 2845993), (11227, 1796015), (27631, 729755), (56135, 359203), (138155, 145951)]