207890221060

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{12660793}}^1$

素因数の和:12661623

約数の個数: 24

約数和(自身を含む): 437101252056

約数和(自身を除く): 229211030996

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 12660793, 25321586, 50643172, 63303965, 126607930, 253215860, 10394511053, 20789022106, 41578044212, 51972555265, 103945110530, 207890221060]

約数ペア:

[(1, 207890221060), (2, 103945110530), (4, 51972555265), (5, 41578044212), (10, 20789022106), (20, 10394511053), (821, 253215860), (1642, 126607930), (3284, 63303965), (4105, 50643172), (8210, 25321586), (16420, 12660793)]