20800448

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7927}}^1$

素因数の和:7980

約数の個数: 28

約数和(自身を含む): 42287952

約数和(自身を除く): 21487504

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7927, 15854, 31708, 63416, 126832, 253664, 325007, 507328, 650014, 1300028, 2600056, 5200112, 10400224, 20800448]

約数ペア:

[(1, 20800448), (2, 10400224), (4, 5200112), (8, 2600056), (16, 1300028), (32, 650014), (41, 507328), (64, 325007), (82, 253664), (164, 126832), (328, 63416), (656, 31708), (1312, 15854), (2624, 7927)]