20730645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35437}}^1$

素因数の和:35461

約数の個数: 24

約数和(自身を含む): 38698296

約数和(自身を除く): 17967651

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35437, 106311, 177185, 318933, 460681, 531555, 1382043, 1594665, 2303405, 4146129, 6910215, 20730645]

約数ペア:

[(1, 20730645), (3, 6910215), (5, 4146129), (9, 2303405), (13, 1594665), (15, 1382043), (39, 531555), (45, 460681), (65, 318933), (117, 177185), (195, 106311), (585, 35437)]