20380065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 14763615

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1663, 2451, 4085, 4989, 8315, 12255, 24945, 31597, 71509, 94791, 157985, 214527, 357545, 473955, 1072635, 1358671, 4076013, 6793355, 20380065]

約数ペア:

[(1, 20380065), (3, 6793355), (5, 4076013), (15, 1358671), (19, 1072635), (43, 473955), (57, 357545), (95, 214527), (129, 157985), (215, 94791), (285, 71509), (645, 31597), (817, 24945), (1663, 12255), (2451, 8315), (4085, 4989)]