20155804030

素因数分解:

$2^1\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{458399}}^1$

素因数の和:462803

約数の個数: 16

約数和(自身を含む): 36288777600

約数和(自身を除く): 16132973570

約数列:

[1, 2, 5, 10, 4397, 8794, 21985, 43970, 458399, 916798, 2291995, 4583990, 2015580403, 4031160806, 10077902015, 20155804030]

約数ペア:

[(1, 20155804030), (2, 10077902015), (5, 4031160806), (10, 2015580403), (4397, 4583990), (8794, 2291995), (21985, 916798), (43970, 458399)]