20199944

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8737}}^1$

素因数の和:8777

約数の個数: 24

約数和(自身を含む): 40238490

約数和(自身を除く): 20038546

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8737, 17474, 34948, 69896, 148529, 297058, 594116, 1188232, 2524993, 5049986, 10099972, 20199944]

約数ペア:

[(1, 20199944), (2, 10099972), (4, 5049986), (8, 2524993), (17, 1188232), (34, 594116), (68, 297058), (136, 148529), (289, 69896), (578, 34948), (1156, 17474), (2312, 8737)]