20336475

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 33783552

約数和(自身を除く): 13447077

約数列:

[1, 3, 5, 15, 25, 75, 263, 789, 1031, 1315, 3093, 3945, 5155, 6575, 15465, 19725, 25775, 77325, 271153, 813459, 1355765, 4067295, 6778825, 20336475]

約数ペア:

[(1, 20336475), (3, 6778825), (5, 4067295), (15, 1355765), (25, 813459), (75, 271153), (263, 77325), (789, 25775), (1031, 19725), (1315, 15465), (3093, 6575), (3945, 5155)]