16288820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11471}}^1$

素因数の和:11551

約数の個数: 24

約数和(自身を含む): 34691328

約数和(自身を除く): 18402508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11471, 22942, 45884, 57355, 114710, 229420, 814441, 1628882, 3257764, 4072205, 8144410, 16288820]

約数ペア:

[(1, 16288820), (2, 8144410), (4, 4072205), (5, 3257764), (10, 1628882), (20, 814441), (71, 229420), (142, 114710), (284, 57355), (355, 45884), (710, 22942), (1420, 11471)]