20500545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8087}}^1$

素因数の和:8121

約数の個数: 24

約数和(自身を含む): 35522496

約数和(自身を除く): 15021951

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8087, 24261, 40435, 105131, 121305, 315393, 525655, 1366703, 1576965, 4100109, 6833515, 20500545]

約数ペア:

[(1, 20500545), (3, 6833515), (5, 4100109), (13, 1576965), (15, 1366703), (39, 525655), (65, 315393), (169, 121305), (195, 105131), (507, 40435), (845, 24261), (2535, 8087)]