20010306512

素因数分解:

$2^4\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{137117}}^1$

素因数の和:138435

約数の個数: 40

約数和(自身を含む): 44342864256

約数和(自身を除く): 24332557744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1303, 2606, 5212, 9121, 10424, 18242, 20848, 36484, 72968, 137117, 145936, 274234, 548468, 959819, 1096936, 1919638, 2193872, 3839276, 7678552, 15357104, 178663451, 357326902, 714653804, 1250644157, 1429307608, 2501288314, 2858615216, 5002576628, 10005153256, 20010306512]

約数ペア:

[(1, 20010306512), (2, 10005153256), (4, 5002576628), (7, 2858615216), (8, 2501288314), (14, 1429307608), (16, 1250644157), (28, 714653804), (56, 357326902), (112, 178663451), (1303, 15357104), (2606, 7678552), (5212, 3839276), (9121, 2193872), (10424, 1919638), (18242, 1096936), (20848, 959819), (36484, 548468), (72968, 274234), (137117, 145936)]