20147216

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9059}}^1$

素因数の和:9206

約数の個数: 20

約数和(自身を含む): 39320400

約数和(自身を除く): 19173184

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9059, 18118, 36236, 72472, 144944, 1259201, 2518402, 5036804, 10073608, 20147216]

約数ペア:

[(1, 20147216), (2, 10073608), (4, 5036804), (8, 2518402), (16, 1259201), (139, 144944), (278, 72472), (556, 36236), (1112, 18118), (2224, 9059)]