20565722870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3815533}}^1$

素因数の和:3815565

約数の個数: 48

約数和(自身を含む): 46976854608

約数和(自身を除く): 26411131738

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 3815533, 7631066, 19077665, 26708731, 38155330, 41970863, 53417462, 83941726, 133543655, 186961117, 209854315, 267087310, 293796041, 373922234, 419708630, 587592082, 934805585, 1468980205, 1869611170, 2056572287, 2937960410, 4113144574, 10282861435, 20565722870]

約数ペア:

[(1, 20565722870), (2, 10282861435), (5, 4113144574), (7, 2937960410), (10, 2056572287), (11, 1869611170), (14, 1468980205), (22, 934805585), (35, 587592082), (49, 419708630), (55, 373922234), (70, 293796041), (77, 267087310), (98, 209854315), (110, 186961117), (154, 133543655), (245, 83941726), (385, 53417462), (490, 41970863), (539, 38155330), (770, 26708731), (1078, 19077665), (2695, 7631066), (5390, 3815533)]