20013944

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 39085200

約数和(自身を除く): 19071256

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 281, 307, 562, 614, 1124, 1228, 2248, 2456, 8149, 8903, 16298, 17806, 32596, 35612, 65192, 71224, 86267, 172534, 345068, 690136, 2501743, 5003486, 10006972, 20013944]

約数ペア:

[(1, 20013944), (2, 10006972), (4, 5003486), (8, 2501743), (29, 690136), (58, 345068), (116, 172534), (232, 86267), (281, 71224), (307, 65192), (562, 35612), (614, 32596), (1124, 17806), (1228, 16298), (2248, 8903), (2456, 8149)]