20199208

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4079}}^1$

素因数の和:4704

約数の個数: 16

約数和(自身を含む): 37944000

約数和(自身を除く): 17744792

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4079, 4952, 8158, 16316, 32632, 2524901, 5049802, 10099604, 20199208]

約数ペア:

[(1, 20199208), (2, 10099604), (4, 5049802), (8, 2524901), (619, 32632), (1238, 16316), (2476, 8158), (4079, 4952)]