20719112

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69997}}^1$

素因数の和:70040

約数の個数: 16

約数和(自身を含む): 39898860

約数和(自身を除く): 19179748

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69997, 139994, 279988, 559976, 2589889, 5179778, 10359556, 20719112]

約数ペア:

[(1, 20719112), (2, 10359556), (4, 5179778), (8, 2589889), (37, 559976), (74, 279988), (148, 139994), (296, 69997)]