20997184

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25237}}^1$

素因数の和:25262

約数の個数: 28

約数和(自身を含む): 44873164

約数和(自身を除く): 23875980

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25237, 50474, 100948, 201896, 328081, 403792, 656162, 807584, 1312324, 1615168, 2624648, 5249296, 10498592, 20997184]

約数ペア:

[(1, 20997184), (2, 10498592), (4, 5249296), (8, 2624648), (13, 1615168), (16, 1312324), (26, 807584), (32, 656162), (52, 403792), (64, 328081), (104, 201896), (208, 100948), (416, 50474), (832, 25237)]