42396020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15473}}^1$

素因数の和:15619

約数の個数: 24

約数和(自身を含む): 89687304

約数和(自身を除く): 47291284

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 15473, 30946, 61892, 77365, 154730, 309460, 2119801, 4239602, 8479204, 10599005, 21198010, 42396020]

約数ペア:

[(1, 42396020), (2, 21198010), (4, 10599005), (5, 8479204), (10, 4239602), (20, 2119801), (137, 309460), (274, 154730), (548, 77365), (685, 61892), (1370, 30946), (2740, 15473)]