15390220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33457}}^1$

素因数の和:33489

約数の個数: 24

約数和(自身を含む): 33725664

約数和(自身を除く): 18335444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 33457, 66914, 133828, 167285, 334570, 669140, 769511, 1539022, 3078044, 3847555, 7695110, 15390220]

約数ペア:

[(1, 15390220), (2, 7695110), (4, 3847555), (5, 3078044), (10, 1539022), (20, 769511), (23, 669140), (46, 334570), (92, 167285), (115, 133828), (230, 66914), (460, 33457)]