20032496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 43342464

約数和(自身を除く): 23309968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2647, 3784, 5294, 7568, 10588, 21176, 29117, 42352, 58234, 113821, 116468, 227642, 232936, 455284, 465872, 910568, 1252031, 1821136, 2504062, 5008124, 10016248, 20032496]

約数ペア:

[(1, 20032496), (2, 10016248), (4, 5008124), (8, 2504062), (11, 1821136), (16, 1252031), (22, 910568), (43, 465872), (44, 455284), (86, 232936), (88, 227642), (172, 116468), (176, 113821), (344, 58234), (473, 42352), (688, 29117), (946, 21176), (1892, 10588), (2647, 7568), (3784, 5294)]