20161368

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2617}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 55135080

約数和(自身を除く): 34973712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2617, 3852, 5234, 7704, 7851, 10468, 15702, 20936, 23553, 31404, 47106, 62808, 94212, 188424, 280019, 560038, 840057, 1120076, 1680114, 2240152, 2520171, 3360228, 5040342, 6720456, 10080684, 20161368]

約数ペア:

[(1, 20161368), (2, 10080684), (3, 6720456), (4, 5040342), (6, 3360228), (8, 2520171), (9, 2240152), (12, 1680114), (18, 1120076), (24, 840057), (36, 560038), (72, 280019), (107, 188424), (214, 94212), (321, 62808), (428, 47106), (642, 31404), (856, 23553), (963, 20936), (1284, 15702), (1926, 10468), (2568, 7851), (2617, 7704), (3852, 5234)]