20694730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1291}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 42791040

約数和(自身を除く): 22096310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1291, 1603, 2290, 2582, 3206, 6455, 8015, 9037, 12910, 16030, 18074, 45185, 90370, 295639, 591278, 1478195, 2069473, 2956390, 4138946, 10347365, 20694730]

約数ペア:

[(1, 20694730), (2, 10347365), (5, 4138946), (7, 2956390), (10, 2069473), (14, 1478195), (35, 591278), (70, 295639), (229, 90370), (458, 45185), (1145, 18074), (1291, 16030), (1603, 12910), (2290, 9037), (2582, 8015), (3206, 6455)]