20177968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43487}}^1$

素因数の和:43524

約数の個数: 20

約数和(自身を含む): 40443840

約数和(自身を除く): 20265872

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43487, 86974, 173948, 347896, 695792, 1261123, 2522246, 5044492, 10088984, 20177968]

約数ペア:

[(1, 20177968), (2, 10088984), (4, 5044492), (8, 2522246), (16, 1261123), (29, 695792), (58, 347896), (116, 173948), (232, 86974), (464, 43487)]