20266190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3253}}^1$

素因数の和:3356

約数の個数: 32

約数和(自身を含む): 42171840

約数和(自身を除く): 21905650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3253, 6230, 6506, 16265, 22771, 32530, 45542, 113855, 227710, 289517, 579034, 1447585, 2026619, 2895170, 4053238, 10133095, 20266190]

約数ペア:

[(1, 20266190), (2, 10133095), (5, 4053238), (7, 2895170), (10, 2026619), (14, 1447585), (35, 579034), (70, 289517), (89, 227710), (178, 113855), (445, 45542), (623, 32530), (890, 22771), (1246, 16265), (3115, 6506), (3253, 6230)]