20199442676

素因数分解:

$2^2\times 7^2\times {\mathrm{5147}}^1\times {\mathrm{20023}}^1$

素因数の和:25188

約数の個数: 36

約数和(自身を含む): 41130337248

約数和(自身を除く): 20930894572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 5147, 10294, 20023, 20588, 36029, 40046, 72058, 80092, 140161, 144116, 252203, 280322, 504406, 560644, 981127, 1008812, 1962254, 3924508, 103058381, 206116762, 412233524, 721408667, 1442817334, 2885634668, 5049860669, 10099721338, 20199442676]

約数ペア:

[(1, 20199442676), (2, 10099721338), (4, 5049860669), (7, 2885634668), (14, 1442817334), (28, 721408667), (49, 412233524), (98, 206116762), (196, 103058381), (5147, 3924508), (10294, 1962254), (20023, 1008812), (20588, 981127), (36029, 560644), (40046, 504406), (72058, 280322), (80092, 252203), (140161, 144116)]